Cisco ASA New Features
This document lists new features for each release.
 Note |
New, changed, and deprecated syslog messages are listed in the syslog message guide. |
New Features in Version 9.15
New Features in ASA 9.15(1)/ASDM 7.15(1)
Released: November 2, 2020
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Feature |
Description |
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Platform Features |
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ASAv for the Public Cloud |
We introduced the ASAv for the following Public Cloud offerings:
No modified commands. No modified screens. |
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ASAv support for Autoscale |
The ASAv now supports Autoscale for the following Public Could offerings:
Autoscaling increases or decreases the number of ASAv application instances based on capacity requirements. No modified commands. No modified screens. |
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ASAv for Microsoft Azure support for Accelerated Networking (SR-IOV). |
The ASAv on the Microsoft Azure Public Cloud now supports Azure's Accelerated Networking (AN), which enables single root I/O virtualization (SR-IOV) to a VM, greatly improving its networking performance. No modified commands. No modified screens. |
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Firewall Features |
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Changes to PAT address allocation in clustering. The PAT pool flat option is now enabled by default and it is not configurable. |
The way PAT addresses are distributed to the members of a cluster is changed. Previously, addresses were distributed to the members of the cluster, so your PAT pool would need a minimum of one address per cluster member. Now, the master instead divides each PAT pool address into equal-sized port blocks and distributes them across cluster members. Each member has port blocks for the same PAT addresses. Thus, you can reduce the size of the PAT pool, even to as few as one IP address, depending on the amount of connections you typically need to PAT. Port blocks are allocated in 512-port blocks from the 1024-65535 range. You can optionally included the reserved ports, 1-1023, in this block allocation when you configure PAT pool rules. For example, in a 4-node cluster, each node gets 32 blocks with which it will be able to handle 16384 connections per PAT pool IP address compared to a single node handling all 65535 connections per PAT pool IP address. As part of this change, PAT pools for all systems, whether standalone or operating in a cluster, now use a flat port range of 1023 - 65535. Previously, you could optionally use a flat range by including the flat keyword in a PAT pool rule. The flat keyword is no longer supported: the PAT pool is now always flat. The include-reserve keyword, which was previously a sub-keyword to flat , is now an independent keyword within the PAT pool configuration. With this option, you can include the 1 - 1023 port range within the PAT pool. Note that if you configure port block allocation (the block-allocation PAT pool option), your block allocation size is used rather than the default 512-port block. In addition, you cannot configure extended PAT for a PAT pool for systems in a cluster. New/Modified commands: nat , show nat pool New/Modified screens: NAT PAT Pool configuration. |
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XDMCP inspection disabled by default in new installations. |
Previously, XDMCP inspection was enabled by default for all traffic. Now, on new installations, which includes new systems and reimaged systems, XDMCP is off by default. If you need this inspection, please enable it. Note that on upgrades, your current settings for XDMCP inspection are retained, even if you simply had it enabled by way of the default inspection settings. |
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Routing Features |
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Multicast IGMP interface state limit raised from 500 to 5000 |
The multicast IGMP state limit per interface was raised from 500 to 5000. New/Modified commands: igmp limit No ASDM support. Also in 9.12(4). |
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Interface Features |
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ASDM support for unique MAC address generation for single context mode |
You can now enable unique MAC address generation for VLAN subinterfaces in single context mode in ASDM. Normally, subinterfaces share the same MAC address with the main interface. Because IPv6 link-local addresses are generated based on the MAC address, this feature allows for unique IPv6 link-local addresses. CLI support was added in ASA 9.8(3), 9.8(4), and 9.9(2) and later. New/Modified screen: |
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DDNS support for the web update method |
You can now configure an interface to use DDNS with the web update method. New/Modified commands: show ddns update interface , show ddns update method , web update-url , web update-type New/Modified screens: |
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Certificate Features |
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Modifications to Match Certificate commands to support static CRL Distribution Point URL |
The static CDP URL configuration commands allowed CDPs to be mapped uniquely to each certificate in a chain that is being validated. However, only one such mapping was supported for each certificate. This modification allows statically configured CDPs to be mapped to a chain of certificates for authentication. New/Modified commands: match certificate override cdp , |
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Administrative and Troubleshooting Features |
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Manual import of node secret file from the RSA Authentication Manager for SDI AAA server groups. |
You can import the node secret file that you export from the RSA Authentication Manager for use with SDI AAA server groups. We added the following commands: aaa sdi import-node-secret , clear aaa sdi node-secret , show aaa sdi node-secrets . We added the following screen: . |
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show fragment command output enhanced |
The output for show fragment command was enhanced to include IP fragment related drops and error counters. No modified commands. No modified screens |
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show tech-support command output enhanced |
The output for show tech-support command was enhanced to include the bias that is configured for the crypto accelerator. The bias value can be ssl, ipsec, or balanced. No modified commands. No modified screens |
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Monitoring Features |
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Support to configure cplane keepalive holdtime values |
Due to communication delays caused by high CPU usage, the response to the keepalive event fails to reach ASA, resulting in trigerring failover due to card failure. You can now configure the keepalive timeout period and the maximum keepalive counter value to ensure sufficient time and retries are given. New/Modified commands: service-module We added the following screen: . |
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VPN Features |
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| Support for configuring the maximum in-negotiation SAs as an absolute value |
You can now configure the maximum in-negotiation SAs as an absolute value up to 15000 or a maximum value derived from the maximum device capacity; formerly, only a percentage was allowed. New/Modified commands: crypto ikev2 limit max-in-negotiation-sa value No ASDM support. Also in 9.12(4). |
| Cross-Site Request Forgery (CSRF) Vulnerabilities Prevention for WebVPN Handlers |
ASA provides protection against CSRF attacks for WebVPN handlers. If a CSRF attack is detected, a user is notified by warning messages. This feature is enabled by default. |
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Kerberos server validation for Kerberos Constrained Delegation (KCD). |
When configured for KCD, the ASA initiates an AD domain join with the configured server in order to acquire Kerberos keys. These keys are required for the ASA to request service tickets on behalf of clientless SSL VPN users. You can optionally configure the ASA to validate the identity of the server during domain join. We modified the kcd-server command to add the validate-server-certificate keyword. We changed the following screens: |
New Features in Version 9.14
New Features in ASA 9.14(2)
Released: November 9, 2020
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Feature |
Description |
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SNMP Features |
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SNMP polling over site-to-site VPN |
For secure SNMP polling over a site-to-site VPN, include the IP address of the outside interface in the crypto map access-list as part of the VPN configuration. |
New Features in ASA 9.14(1.30)
Released: September 23, 2020
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Feature |
Description |
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Licensing Features |
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ASAv100 permanent license reservation |
The ASAv100 now supports permanent license reservation using product ID L-ASAV100SR-K9=. Note: Not all accounts are approved for permanent license reservation. |
New Features in ASDM 7.14(1.48)
Released: April 30, 2020
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Feature |
Description |
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Platform Features |
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Restore support for the ASA 5512-X, 5515-X, 5585-X, and ASASM for ASA 9.12 and earlier |
This ASDM release restores support for the ASA 5512-X, 5515-X, 5585-X, and ASASM when they are running 9.12 or earlier. The final ASA version for these models is 9.12. The original 7.13(1) and 7.14(1) releases blocked backwards compatibility with these models; this version has restored compatibility. |
New Features in ASAv 9.14(1.6)
Released: April 30, 2020
Note |
This release is only supported on the ASAv. |
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Feature |
Description |
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Platform Features |
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ASAv100 platform |
The ASAv virtual platform has added the ASAv100, a high-end performance model that provides 20 Gbps Firewall throughput levels. The ASAv100 is a subscription-based license, available in terms of 1 year, 3 years, or 5 years. The ASAv100 is supported on VMware ESXi and KVM only. |
New Features in ASA 9.14(1)/ASDM 7.14(1)
Released: April 6, 2020
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Feature |
Description |
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Platform Features |
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ASA for the Firepower 4112 |
We introduced the ASA for the Firepower 4112. No modified commands. No modified screens.
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Firewall Features |
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Ability to see port numbers in show access-list output. |
The show access-list command now has the numeric keyword. You can use this to view port numbers in the access control entries rather than names, for example, 80 instead of www. |
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The object-group icmp-type command is deprecated. |
Although the command remains supported in this release, the object-group icmp-type command is deprecated and might be removed in a future release. Please change all ICMP-type objects to service object groups (object-group service ) and specify service icmp within the object. |
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Kerberos Key Distribution Center (KDC) authentication. |
You can import a keytab file from a Kerberos Key Distribution Center (KDC), and the system can authenticate that the Kerberos server is not being spoofed before using it to authenticate users. To accomplish KDC authentication, you must set up a host/ASA_hostname service principal name (SPN) on the Kerberos KDC, then export a keytab for that SPN. You then must upload the keytab to the ASA, and configure the Kerberos AAA server group to validate the KDC. New/Modified commands: aaa kerberos import-keytab , clear aaa kerberos keytab , show aaa kerberos keytab , validate-kdc . New/Modified screens: , Add/Edit dialog box for Kerberos server groups. |
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High Availability and Scalability Features |
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Configuration sync to data units in parallel |
The control unit now syncs configuration changes with data units in parallel by default. Formerly, synching occurred sequentially. New/Modified commands: config-replicate-parallel New/Modified screens: check box |
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Messages for cluster join failure or eviction added to show cluster history |
New messages were added to the show cluster history command for when a cluster unit either fails to join the cluster or leaves the cluster. New/Modified commands: show cluster history No modified screens. |
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Interface Features |
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Speed auto-negotation can be disabled on 1GB fiber interfaces on the Firepower 1000 and 2100 |
You can now configure a Firepower 1100 or 2100 SFP interface to disable auto-negotiation. For 10GB interfaces, you can configure the speed down to 1GB without auto-negotiation; you cannot disable auto-negotiation for an interface with the speed set to 10GB. New/Modified commands: speed nonegotiate New/Modified screens: |
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Administrative and Troubleshooting Features |
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New connection-data-rate command |
The connection-data-rate command was introduced to provide an overview on data rate of individual connections on the ASA. When this command is enabled, per-flow data rate along with the existing connection information are provided. This information helps to identify and block unwanted connections with high data rates, thereby, ensuring an optimized CPU utilization. New/Modified commands: conn data-rate ,show conn data-rate , show conn detail , clear conn data-rate No modified screens. |
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HTTPS idle timeout setting |
You can now set the idle timeout for all HTTPS connections to the ASA, including ASDM, WebVPN, and other clients. Formerly, using the http server idle-timeout command, you could only set the ASDM idle timeout. If you set both timeouts, the new command takes precendence. New/Modified commands: http connection idle-timeout New/Modified screens: check box. |
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NTPv4 support |
The ASA now supports NTPv4. No modified commands. No modified screens. |
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New clear logging counter command |
The show logging command provides statistics of messages logged for each logging category configured on the ASA. The clear logging counter command was introduced to clear the logged counters and statistics. New/Modified commands: clear logging counter No modified screens. |
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Debug command changes for FXOS on the Firepower 1000 and 2100 in Appliance mode |
The debug fxos_parser command has been simplified to provide commonly-used troubleshooting messages about FXOS. Other FXOS debug commands have been moved under the debug menu fxos_parser command. New/Modified commands: debug fxos_parser , debug menu fxos_parser No modified screens. |
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show tech-support command enhanced |
The show ssl objects and show ssl errors command was added to the output of the show tech-support command. New/Modified commands: show tech-support No modified screens. Also in 9.12(4). |
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Monitoring Features |
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Net-SNMP version 5.7.2 Support |
The ASA is using Net-SNMP, a suite of applications used to implement SNMP v1, SNMP v2c, and SNMP v3 using both IPv4 and IPv6. No modified commands. New/Modified screens: |
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SNMP OIDs and MIBs |
The ASA enhances support for the CISCO-REMOTE-ACCESS-MONITOR-MIB to track rejected/failed authentications from RADIUS over SNMP. This feature implements three SNMP OIDs:
The ASA provides support for the Advanced Encryption Standard (AES) Cipher Algorithm. This feature implements the following SNMP OIDs:
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SNMPv3 Authentication |
You can now use SHA-256 HMAC for user authentication. New/Modified commands: snmp-server user New/Modified screens: |
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debug telemetry command. |
You can use the debug telemetry command, debug messages related to telemetry are displayed. The debugs help to identify the cause for errors when generating the telemetry report. New/Modified commands: debug telemetry , show debug telemetry No modified screens. |
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VPN Features |
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DHCP Relay Server Support on VTI |
You can now configure DHCP relay server to forward DHCP messages through VTI tunnel interface. New/Modified commands: dhcprelay server New/Modified screens: |
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IKEv2 Support for Multiple Peer Crypto Map |
You can now configure IKEv2 with multi-peer crypto map—when a peer in a tunnel goes down, IKEv2 attempts to establish the SA with the next peer in the list. No modified commands. New/Modified screens: |
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Username Options for Multiple Certificate Authentication |
In multiple certificate authentication, you can now specify from which certificate, first (machine certificate) or second (user certificate), you want the attributes to be used for aaa authentication. New/Modified commands: username-from-certificate-choice, secondary-username-from-certificate-choice New/Modified screens: |
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New Features in Version 9.13
New Features in ASDM 7.13(1.101)
Released: May 7, 2020
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Feature |
Description |
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Platform Features |
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Restore support for the ASA 5512-X, 5515-X, 5585-X, and ASASM for ASA 9.12 and earlier |
This ASDM release restores support for the ASA 5512-X, 5515-X, 5585-X, and ASASM when they are running 9.12 or earlier. The final ASA version for these models is 9.12. The original 7.13(1) and 7.14(1) releases blocked backwards compatibility with these models; this version has restored compatibility. |
New Features in ASA 9.13(1)/ASDM 7.13(1)
Released: September 25, 2019
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Feature |
Description |
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Platform Features |
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ASA for the Firepower 1010 |
We introduced the ASA for the Firepower 1010. This desktop model includes a built-in hardware switch and Power-Over-Ethernet+ (PoE+) support. New/Modified commands: boot system , clock timezone , connect fxos admin , forward interface , interface vlan , power inline , show counters , show environment , show interface , show inventory , show power inline , show switch mac-address-table , show switch vlan , switchport , switchport access vlan , switchport mode , switchport trunk allowed vlan New/Modified screens: |
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ASA for the Firepower 1120, 1140, and 1150 |
We introduced the ASA for the Firepower 1120, 1140, and 1150. New/Modified commands: boot system , clock timezone , connect fxos admin , show counters , show environment , show interface , show inventory New/Modified screens: |
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Firepower 2100 Appliance mode |
The Firepower 2100 runs an underlying operating system called the Firepower eXtensible Operating System (FXOS). You can run the Firepower 2100 in the following modes:
New/Modified commands: boot system , clock timezone , connect fxos admin , fxos mode appliance , show counters , show environment , show fxos mode , show interface , show inventory New/Modified screens: |
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DHCP reservation |
The ASA DHCP server now supports DHCP reservation. You can assign a static IP address from the defined address pool to a DHCP client based on the client's MAC address. New/Modified commands: dhcpd reserve-address No modified screens. |
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ASAv minimum memory requirement |
The minimum memory requirement for the ASAv is now 2GB. If your current ASAv runs with less than 2GB of memory, you cannot upgrade to 9.13(1) from an earlier version without increasing the memory of your ASAv VM. You can also redeploy a new ASAv VM with version 9.13(1). No modified commands. No modified screens. |
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ASAv MSLA Support |
The ASAv supports Cisco's Managed Service License Agreement (MSLA) program, which is a software licensing and consumption framework designed for Cisco customers and partners who offer managed software services to third parties. MSLA is a new form of Smart Licensing where the licensing Smart Agent keeps track of the usage of licensing entitlements in units of time. New/Modified commands: license smart , mode , utility , custom-id , custom-info , privacy , transport type , transport url , transport proxy New/Modified screens: . |
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ASAv Flexible Licensing |
Flexible Licensing is a new form of Smart Licensing where any ASAv license now can be used on any supported ASAv vCPU/memory configuration. Session limits for AnyConnect and TLS proxy will be determined by the ASAv platform entitlement installed rather than a platform limit tied to a model type. New/Modified commands: show version , show vm , show cpu , show license features New/Modified screens: . |
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ASAv for AWS support for the C5 instance; expanded support for C4, C3, and M4 instances |
The ASAv on the AWS Public Cloud now supports the C5 instance (c5.large, c5.xlarge, and c5.2xlarge). In addition, support has been expanded for the C4 instance (c4.2xlarge and c4.4xlarge); C3 instance (c3.2xlarge, c3.4xlarge, and c3.8xlarge); and M4 instance (m4.2xlarge and m4.4xlarge). No modified commands. No modified screens. |
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ASAv for Microsoft Azure support for more Azure virtual machine sizes |
The ASAv on the Microsoft Azure Public Cloud now supports more Linux virtual machine sizes:
Earlier releases only supported the Standard_D3 and Standard_D3_v2 sizes. No modified commands. No modified screens. |
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ASAv enhanced support for DPDK |
The ASAv supports enhancements to the Data Plane Development Kit (DPDK) to enable support for multiple NIC queues, which allow multi-core CPUs to concurrently and efficiently service network interfaces. This applies to all ASAv hypervisors except Microsoft Azure and Hyper-V.
No modified commands. No modified screens. |
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ASAv support for VMware ESXi 6.7 |
The ASAv virtual platform supports hosts running on VMware ESXi 6.7. New VMware hardware versions have been added to the vi.ovf and esxi.ovf files to enable optimal performance and usability of the ASAv on ESXi 6.7. No modified commands. No modified screens. |
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Increased VLANs for the ISA 3000 |
The maximum VLANs for the ISA 3000 with the Security Plus license increased from 25 to 100. |
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Firewall Features |
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Location logging for mobile stations (GTP inspection). |
You can configure GTP inspection to log the initial location of a mobile station and subsequent changes to the location. Tracking location changes can help you identify possibly fraudulent roaming charges. New/Modified commands: location-logging . New/Modified screens: . |
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GTPv2 and GTPv1 release 15 support. |
The system now supports GTPv2 3GPP 29.274 V15.5.0. For GTPv1, support is up to 3GPP 29.060 V15.2.0. The new support includes recognition of 2 additional messages and 53 information elements. No modified commands. No modified screens. |
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Mapping Address and Port-Translation (MAP-T) |
Mapping Address and Port (MAP) is primarily a feature for use in service provider (SP) networks. The service provider can operate an IPv6-only network, the MAP domain, while supporting IPv4-only subscribers and their need to communicate with IPv4-only sites on the public Internet. MAP is defined in RFC7597, RFC7598, and RFC7599. New/Modified commands: basic-mapping-rule , default-mapping-rule , ipv4-prefix , ipv6-prefix , map-domain , share-ratio , show map-domain , start-port . New/Modified commands: , . |
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Increased limits for AAA server groups and servers per group. |
You can configure more AAA server groups. In single context mode, you can configure 200 AAA server groups (the former limit was 100). In multiple context mode, you can configure 8 (the former limit was 4). In addition, in multiple context mode, you can configure 8 servers per group (the former limit was 4 servers per group). The single context mode per-group limit of 16 remains unchanged. We modified the following commands to accept these new limits: aaa-server , aaa-server host . We modified the AAA screens to accept these new limits. |
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TLS proxy deprecated for SCCP (Skinny) inspection. |
The tls-proxy keyword, and support for SCCP/Skinny encrypted inspection, was deprecated. The keyword will be removed from the inspect skinny command in a future release. |
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VPN Features |
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HSTS Support for WebVPN as Client |
A new CLI mode under WebVPN mode called http-headers was added so that WebVPN could transform HTTP references to HTTPS references for hosts that are HSTS. Configures whether the user agent should allow the embedding of resources when sending this header for WebVPN connections from the ASA to browsers. You can choose to configure the http-headers as: x-content-type-options , x-xss-protection , hsts-client (HSTS support for WebVPN as client), hsts-server, or content-security-policy . New/Modified commands: webvpn , show webvpn hsts host (name <hostname&s{253}> | all) and clear webvpn hsts host (name <hostname&s{253}> | all) . New/Modified screens: . |
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Diffie-Hellman groups 15 and 16 added for key exchange |
To add support for Diffie-Hellman groups 15 and 16, we modified few crypto commands to accept these new limits. crypto ikev2 policy <index> group <number> and crypto map <map-name> <map-index> set pfs <group>. |
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show asp table vpn-context enhancement to output |
To enhance debug capability, these vpn context counters were added to the output: Lock Err, No SA, IP Ver Err, and Tun Down. New/Modified commands: show asp table vpn-context (output only). |
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High Availability and Scalability Features |
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Initiator and responder information for Dead Connection Detection (DCD), and DCD support in a cluster. |
If you enable Dead Connection Detection (DCD), you can use the show conn detail command to get information about the initiator and responder. Dead Connection Detection allows you to maintain an inactive connection, and the show conn output tells you how often the endpoints have been probed. In addition, DCD is now supported in a cluster. New/Modified commands: show conn (output only). No modified screens. |
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Monitor the traffic load for a cluster |
You can now monitor the traffic load for cluster members, including total connection count, CPU and memory usage, and buffer drops. If the load is too high, you can choose to manually disable clustering on the unit if the remaining units can handle the load, or adjust the load balancing on the external switch. This feature is enabled by default. New/Modified commands: debug cluster load-monitor , load-monitor , show cluster info load-monitor New/Modified screens:
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Accelerated cluster joining |
When a data unit has the same configuration as the control unit, it will skip syncing the configuration and will join faster. This feature is enabled by default. This feature is configured on each unit, and is not replicated from the control unit to the data unit.
New/Modified commands: unit join-acceleration , show cluster info unit-join-acceleration incompatible-config New/Modified screens: check box |
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Routing Features |
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SMTP configuration enhancement |
You can optionally configure the SMTP server with primary and backup interface names to enable ASA for identifying the routing table to be used for logging—management routing table or data routing table. If no interface is provided, ASA would refer to management routing table lookup, and if no proper route entry is present, it would look at the data routing table. New/Modified commands: smtp-server [primary-interface][backup-interface] |
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Support to set NSF wait timer |
OSPF routers are expected to set the RS-bit in the EO-TLV attached to a Hello packet when it is not known whether all neighbors are listed in the packet, and the restarting router require to preserve their adjacencies. However, the RS-bit value must not be longer than the RouterDeadInterval seconds. The timers nsf wait command is introduced to set the the RS-bit in Hello packets lesser than RouterDeadInterval seconds. New/Modified commands: timers nsf wait |
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Support to set tftp blocksize |
The typical blocksize fixed for tftp file transfer is 512-octets. A new command, tftp blocksize , is introduced to configure a larger blocksize and thereby enhance the tftp file transfer speed. You can set a blocksize varying from 513 to 8192 octets. The new default blocksize is 1456 octets. The no form of this command will reset the blocksize to the older default value—512 octets. The timers nsf wait command is introduced to set the the RS-bit in Hello packets lesser than RouterDeadInterval seconds. New/Modified commands: tftp blocksize |
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Certificate Features |
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Support to view FIPS status |
The show running-configuration fips command displayed the FIPS status only when fips was enabled. In order to know the operational state, the show fips command was introduced where, it displays the fips status when an user enables or disables fips that is in disabled or enabled state. This command also displays the status for rebooting the device after an enable or disable action. New/Modified commands: show fips |
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CRL cache size increased |
To prevent failure of large CRL downloads, the cache size was increased, and the limit on the number of entries in an individual CRL was removed.
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Modifications to the CRL Distribution Point commands |
The static CDP URL configuration commands are removed and moved to the match certificate command. New/Modified commands: crypto-ca-trustpoint crl and crl url were removed with other related logic. match-certificate override-cdp was introduced. New/Modified screens: The static CDP URL was re-introduced in 9.13(1)12 to the match certificate command. |
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Administrative and Troubleshooting Features |
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Management access when the Firepower 1000, Firepower 2100 Appliance mode is in licensing evaluation mode |
The ASA includes 3DES capability by default for management access only, so you can connect to the License Authority and also use ASDM immediately. You can also use SSH and SCP if you later configure SSH access on the ASA. Other features that require strong encryption (such as VPN) must have the Strong Encryption license enabled, which requires you to first register to the License Authority.
No modified commands. No modified screens. |
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Additional NTP authentication algorithms |
Formerly, only MD5 was supported for NTP authentication. The ASA now supports the following algorithms:
New/Modified commands: ntp authentication-key New/Modified screens: button > Add NTP Server Configuration dialog box > Key Algorithm drop-down list |
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ASA Security Service Exchange (SSE) Telemetry Support for the Firepower 4100/9300 |
With Cisco Success Network enabled in your network, device usage information and statistics are provided to Cisco which is used to optimize technical support. The telemetry data that is collected on your ASA devices includes CPU, memory, disk, or bandwidth usage, license usage, configured feature list, cluster/failover information and the like. New/Modified commands: service telemetry and show telemetry New/Modified screens: |
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SSH encryption ciphers are now listed in order from highest to lowest security for pre-defined lists |
SSH encryption ciphers are now listed in order from highest security to lowest security for pre-defined lists (such as medium or high). In earlier releases, they were listed from lowest to highest, which meant that a low security cipher would be proposed before a high security cipher. New/Modified commands: ssh cipher encryption New/Modified screens:
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show tech-support includes additional output |
The output of show tech-support is enhanced to display the output of the following: show flow-offload info detail show flow-offload statistics show asp table socket New/Modified commands: show tech-support (output only). |
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Enhancement to show-capture asp_drop output to include drop location information |
While troubleshooting using ASP drop counters, the exact location of the drop is unknown, especially when the same ASP drop reason is used in many different places. This information is critical in finding root cause of the drop. With this enhancement, the ASP drop details such as the build target, ASA release number, hardware model, and ASLR memory text region (to facilitate the decode of drop location) are shown. New/Modified commands: show-capture asp_drop |
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Modifications to debug crypto ca |
The debug crypto ca transactions and debug crypto ca messages options are consolidated to provide all applicable content into the debug crypto ca command itself. Also, the number of available debugging levels are reduced to 14. New/Modified commands: debug crypto ca |
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FXOS Features for the Firepower 1000 and 2100 |
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Secure Erase |
The secure erase feature erases all data on the SSDs so that data cannot be recovered even by using special tools on the SSD itself. You should perform a secure erase in FXOS when decomissioning the device. New/Modified FXOS commands: erase secure (local-mgmt) Supported models: Firepower 1000 and 2100 |
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Configurable HTTPS protocol |
You can set the SSL/TLS versions for FXOS HTTPS acccess. New/Modified FXOS commands: set https access-protocols Supported models: Firepower 2100 in Platform Mode |
||
|
FQDN enforcement for IPSec and Keyrings |
For FXOS, you can configure FQDN enforcement so that the FDQN of the peer needs to match the DNS Name in the X.509 Certificate presented by the peer. For IPSec, enforcement is enabled by default, except for connections created prior to 9.13(1); you must manually enable enforcement for those old connections. For keyrings, all hostnames must be FQDNs, and cannot use wild cards. New/Modified FXOS commands: set dns, set e-mail, set fqdn-enforce , set ip , set ipv6 , set remote-address , set remote-ike-id Removed commands: fi-a-ip , fi-a-ipv6 , fi-b-ip , fi-b-ipv6 Supported models: Firepower 2100 in Platform Mode |
||
|
New IPSec ciphers and algorithms |
We added the following IKE and ESP ciphers and algorithms to configure an IPSec tunnel to encrypt FXOS management traffic:
No modified FXOS commands. Supported models: Firepower 2100 in Platform Mode |
||
|
SSH authentication enhancements |
We added the following SSH server encryption algoritghms for FXOS:
We added the following SSH server key exchange methods for FXOS:
New/Modified FXOS commands: set ssh-server encrypt-algorithm , set ssh-server kex-algorithm Supported models: Firepower 2100 in Platform Mode |
||
|
EDCS keys for X.509 Certificates |
You can now use EDCS keys for FXOS certificates. Formerly, only RSA keys were supported. New/Modified FXOS commands: set elliptic-curve , set keypair-type Supported models: Firepower 2100 in Platform Mode |
||
|
User password improvements |
We added FXOS password security improvements, including the following:
New/Modified FXOS commands: set change-during-interval , set expiration-grace-period , set expiration-warning-period , set history-count , set no-change-interval , set password , set password-expiration , set password-reuse-interval New/Modified Firepower Chassis Manager screens: Supported models: Firepower 2100 in Platform Mode |
||
New Features in Version 9.12
New Features in ASA 9.12(4)
Released: May 26, 2020
|
Feature |
Description |
|---|---|
|
Routing Features |
|
|
Multicast IGMP interface state limit raised from 500 to 5000 |
The multicast IGMP state limit per interface was raised from 500 to 5000. New/Modified commands: igmp limit No ASDM support. |
|
Troubleshooting Features |
|
|
show tech-support command enhanced |
The show ssl objects and show ssl errors command was added to the output of the show tech-support command. New/Modified commands: show tech-support No modified screens. |
|
VPN Features |
|
| Support for configuring the maximum in-negotiation SAs as an absolute value |
You can now configure the maximum in-negotiation SAs as an absolute value up to 15000 or a maximum value derived from the maximum device capacity; formerly, only a percentage was allowed. New/Modified commands: crypto ikev2 limit max-in-negotiation-sa value No ASDM support. |
New Features in ASA 9.12(3)
Released: November 25, 2019
There are no new features in this release.
New Features in ASA 9.12(2)/ASDM 7.12(2)
Released: May 30, 2019
|
Feature |
Description |
|---|---|
|
Platform Features |
|
|
Firepower 9300 SM-56 support |
We introduced the following security modules: SM-56. Requires FXOS 2.6.1.157 No modified commands. No modified screens. |
|
Administration Features |
|
|
Setting the SSH key exchange mode is restricted to the Admin context |
You must set the SSH key exchange in the Admin context; this setting is inherited by all other contexts. New/Modified commands: ssh key-exchange New/Modified screen: |
|
ASDM Features |
|
|
OpenJRE version of ASDM |
You can install a version of ASDM that uses OpenJRE 1.8.x instead of Oracle JRE. The filename of the OpenJRE version is asdm-openjre-version.bin. |
|
option to specify the ASA FirePOWER module local management file folder |
You can now specify the location to install ASA FirePOWER module local management files. You must have read/write privileges to the configured location. New/Modified screen: area |
New Features in ASA 9.12(1)/ASDM 7.12(1)
Released: March 13, 2019
|
Feature |
Description |
|---|---|
|
Platform Features |
|
|
ASA for the Firepower 4115, 4125, and 4145 |
We introduced the Firepower 4115, 4125, and 4145. Requires FXOS 2.6.1. No modified commands. No modified screens. |
|
Support for ASA and FTD on separate modules of the same Firepower 9300 |
You can now deploy ASA and FTD logical devices on the same Firepower 9300. Requires FXOS 2.6.1. No modified commands. No modified screens. |
|
Firepower 9300 SM-40 and SM-48 support |
We introduced the following two security modules: SM-40 and SM-48. Requires FXOS 2.6.1. No modified commands. No modified screens. |
|
Firewall Features |
|
|
GTPv1 release 10.12 support. |
The system now supports GTPv1 release 10.12. Previously, the system supported release 6.1. The new support includes recognition of 25 additional GTPv1 messages and 66 information elements. In addition, there is a behavior change. Now, any unknown message IDs are allowed. Previously, unknown messages were dropped and logged. No modified commands. No modified screens. |
|
Cisco Umbrella Enhancements. |
You can now identify local domain names that should bypass Cisco Umbrella. DNS requests for these domains go directly to the DNS servers without Umbrella processing. You can also identify which Umbrella servers to use for resolving DNS requests. Finally, you can define the Umbrella inspection policy to fail open, so that DNS requests are not blocked if the Umbrella server is unavailable. New/Modified commands: local-domain-bypass , resolver , umbrella fail-open . New/Modified screens: , . |
|
The object group search threshold is now disabled by default. |
If you enabled object group search, the feature was subject to a threshold to help prevent performance degradation. That threshold is now disabled by default. You can enable it by using the object-group-search threshold command. New/Modified command: object-group-search threshold . We changed the following screen: . |
|
Interim logging for NAT port block allocation. |
When you enable port block allocation for NAT, the system generates syslog messages during port block creation and deletion. If you enable interim logging, the system generates message 305017 at the interval you specify. The messages report all active port blocks allocated at that time, including the protocol (ICMP, TCP, UDP) and source and destination interface and IP address, and the port block. New/Modified command: xlate block-allocation pba-interim-logging seconds . New/Modified screen: . |
|
VPN Features |
|
|
New condition option for debug aaa . |
The condition option was added to the debug aaa command. You can use this option to filter VPN debugging based on group name, user name, or peer IP address. New/Modified commands: debug aaa condition No modified screens. |
|
Support for RSA SHA-1 in IKEv2 |
You can now generate a signature using the RSA SHA-1 hashing algorithm for IKEv2. New/Modified commands: rsa-sig-sha1 New/Modified screens: |
|
View the default SSL configuration for both DES and 3DES encryption licenses as well as available ciphers |
You can now view the default SSL configuration with and without the 3DES encryption license. In addition, you can view all the ciphers supported on the device. New/Modified commands: show ssl information No modified screens. |
|
Add subdomains to webVPN HSTS |
Allows domain owners to submit what domains should be included in the HSTS preload list for web browsers. New/Modified commands: hostname(config-webvpn) includesubdomains New/Modified screens: > Enable HSTS Subdomainsfield |
|
High Availability and Scalability Features |
|
|
Per-site gratuitous ARP for clustering |
The ASA now generates gratuitous ARP (GARP) packets to keep the switching infrastructure up to date: the highest priority member at each site periodically generates GARP traffic for the global MAC/IP addresses. When using per-site MAC and IP addresses, packets sourced from the cluster use a site-specific MAC address and IP address, while packets received by the cluster use a global MAC address and IP address. If traffic is not generated from the global MAC address periodically, you could experience a MAC address timeout on your switches for the global MAC address. After a timeout, traffic destined for the global MAC address will be flooded across the entire switching infrastructure, which can cause performance and security concerns. GARP is enabled by default when you set the site ID for each unit and the site MAC address for each Spanned EtherChannel. New/Modified commands: site-periodic-garp interval New/Modified screens: field |
|
Multiple context mode HTTPS resource management |
You can now set the maximum number of non-ASDM HTTPS sessions in a resource class. By default, the limit is set to 6 per context, the maximum. You can use up to 100 HTTPS sesssions across all contexts. New/Modified commands: limit-resource http No ASDM support. |
|
Routing Features |
|
|
OSPF Keychain support for authentication |
OSPF authenticates the neighbor and route updates using MD5 keys. In ASA, the keys that are used to generate the MD5 digest had no lifetime associated with it. Thus, user intervention was required to change the keys periodically. To overcome this limitation, OSPFv2 supports MD5 authentication with rotating keys. Based on the accept and send lifetimes of Keys in KeyChain, OSPF authenticates, accepts or rejects keys and forms adjacency. New/Modified commands: accept-lifetime , area virtual-link authentication , cryptographic-algorithm , key , key chain , key-string , ospf authentication , send-lifetime New/Modified screens: |
|
Certificate Features |
|
|
Local CA configurable FQDN for enrollment URL |
To make the FQDN of the enrollment URL configurable instead of using the ASA's configured FQDN, a new CLI option is introduced. This new option is added to the smpt mode of crypto ca server . New/Modified commands: fqdn |
|
Administrative, Monitoring, and Troubleshooting Features |
|
|
enable password change now required on a login |
The default enable password is blank. When you try to access privileged EXEC mode on the ASA, you are now required to change the password to a value of 3 characters or longer. You cannot keep it blank. The no enable password command is no longer supported. At the CLI, you can access privileged EXEC mode using the enable command, the login command (with a user at privilege level 2+), or an SSH or Telnet session when you enable aaa authorization exec auto-enable . All of these methods require you to set the enable password. This password change requirement is not enforced for ASDM logins. In ASDM, by default you can log in without a username and with the enable password. New/Modified commands: enable password No modified screens. |
|
Configurable limitation of admin sessions |
You can configure the maximum number of aggregate, per user, and per-protocol administrative sessions. Formerly, you could configure only the aggregate number of sessions. This feature does not affect console sessions. Note that in multiple context mode, you cannot configure the number of HTTPS sessions, where the maximum is fixed at 5 sessions. The quota management-session command is also no longer accepted in the system configuration, and is instead available in the context configuration. The maximum aggregate sessions is now 15; if you configured 0 (unlimited) or 16+, then when you upgrade, the value is changed to 15. New/Modified commands: quota management-session , show quota management-session New/Modified screens: |
|
Notifications for administrative privilege level changes |
When you authenticate for enable access (aaa authentication enable console) or allow privileged EXEC access directly (aaa authorization exec auto-enable ), then the ASA now notifies users if their assigned access level has changed since their last login. New/Modified commands: show aaa login-history New/Modified screens: Status bar > Login History icon |
|
NTP support on IPv6 |
You can now specify an IPv6 address for the NTP server. New/Modified commands: ntp server New/Modified screens: button > Add NTP Server Configuration dialog box |
|
SSH stronger security |
See the following SSH security improvements:
New/Modified commands: ssh cipher integrity , ssh key-exchange group dh-group14-sha256 New/Modified screens: |
|
Allow non-browser-based HTTPS clients to access the ASA |
You can allow non-browser-based HTTPS clients to access HTTPS services on the ASA. By default, ASDM, CSM, and REST API are allowed. New/Modified commands: http server basic-auth-client New/Modified screens.
|
|
Capture control plane packets only on the cluster control link |
You can now capture control plane packets only on the cluster control link (and no data plane packets). This option is useful in the system in multiple context mode where you cannot match traffic using an ACL. New/Modified commands: capture interface cluster cp-cluster New/Modified screens:
|
|
debug conn command |
The debug conn command was added to provide two history mechanisms that record connection processing. The first history list is a per-thread list that records the operations of the thread. The second history list is a list that records the operations into the conn-group. When a connection is enabled, processing events such as a connection lock, unlock, and delete are recorded into the two history lists. When a problem occurs, these two lists can be used to look back at the processing to determine the incorrect logic. New/Modified commands: debug conn |
|
show tech-support includes additional output |
The output of the show tech-support is enhanced to display the output of the following:
New/Modified commands: show tech-support |
|
ASDM support to enable and disable the results for free memory and used memory statistics during SNMP walk operations |
To avoid overutilization of CPU resources, you can enable and disable the query of free memory and used memory statistics collected through SNMP walk operations. New or modified screen: |
|
Configurable graph update interval for the ASDM Home pane for the System in multiple-context mode |
For the System in multiple context mode, you can now set the amount of time between updates for the graphs on the Home pane. New/Modified screens:
|
New Features in Version 9.10
New Features in ASA 9.10(1)/ASDM 7.10(1)
Released: October 25, 2018
|
Feature |
Description |
|---|---|
|
Platform Features |
|
|
ASAv VHD custom images for Azure |
You can now create your own custom ASAv images on Azure using a compressed VHD image available from Cisco. To deploy using a VHD image, you upload the VHD image to your Azure storage account. Then, you can create a managed image using the uploaded disk image and an Azure Resource Manager template. Azure templates are JSON files that contain resource descriptions and parameter definitions. |
|
ASAv for Azure |
The ASAv is available in the Azure China Marketplace. |
|
ASAv support for DPDK |
DPDK (Dataplane Development Kit) is integrated into the dataplane of the ASAv using poll-mode drivers. |
|
ISA 3000 support for FirePOWER module Version 6.3 |
The previous supported version was FirePOWER 5.4. |
|
Firewall Features |
|
|
Cisco Umbrella support |
You can configure the device to redirect DNS requests to Cisco Umbrella, so that your Enterprise Security policy defined in Cisco Umbrella can be applied to user connections. You can allow or block connections based on FQDN, or for suspicious FQDNs, you can redirect the user to the Cisco Umbrella intelligent proxy, which can perform URL filtering. The Umbrella configuration is part of the DNS inspection policy. New/Modified commands: umbrella , umbrella-global , token , public-key , timeout edns , dnscrypt , show service-policy inspect dns detail New/Modified screens: , |
|
GTP inspection enhancements for MSISDN and Selection Mode filtering, anti-replay, and user spoofing protection |
You can now configure GTP inspection to drop Create PDP Context messages based on Mobile Station International Subscriber Directory Number (MSISDN) or Selection Mode. You can also implement anti-replay and user spoofing protection. New/Modified commands: anti-replay , gtp-u-header-check , match msisdn , match selection-mode New/Modified screens: dialog box |
|
Default idle timeout for TCP state bypass |
The default idle timeout for TCP state bypass connections is now 2 minutes instead of 1 hour. |
|
Support for removing the logout button from the cut-through proxy login page |
If you configure the cut-through proxy to obtain user identity information (the AAA authentication listener), you can now remove the logout button from the page. This is useful in case where users connect from behind a NAT device and cannot be distinguished by IP address. When one user logs out, it logs out all users of the IP address. New/Modified commands: aaa authentication listener no-logout-button No ASDM support. Also in 9.8(3). |
|
Trustsec SXP connection configurable delete hold down timer |
The default SXP connection hold down timer is 120 seconds. You can now configure this timer, between 120 to 64000 seconds. New/Modified commands: cts sxp delete-hold-down period , show cts sxp connection brief , show cts sxp connections No ASDM support. Also in 9.8(3). |
|
Support for offloading NAT'ed flows in transparent mode. |
If you are using flow offload (the flow-offload enable and set connection advanced-options flow-offload commands), offloaded flows can now include flows that require NAT in transparent mode. |
|
Support for transparent mode deployment for a Firepower 4100/9300 ASA logical device |
You can now specify transparent or routed mode when you deploy the ASA on a Firepower 4100/9300. New/Modified FXOS commands: enter bootstrap-key FIREWALL_MODE , set value routed , set value transparent New/Modified Firepower Chassis Manager screens:
New/Modified options: Firewall Mode drop-down list |
|
VPN Features |
|
|
Support for legacy SAML authentication |
If you deploy an ASA with the fix for CSCvg65072, then the default SAML behavior is to use the embedded browser, which is not supported on AnyConnect 4.4 or 4.5. Therefore, to continue to use AnyConnect 4.4 or 4.5, you must enable the legacy external browser SAML authentication method. Because of security limitations, use this option only as part of a temporary plan to migrate to AnyConnect 4.6 (or later). This option will be deprecated in the near future. New/Modified commands: saml external-browser New/Modified screens: page > Connection Profiles area > Add button > Add AnyConnect Connection Profile dialog box page > Connection Profiles area > Add button > Add Clientless SSL VPN Connection Profile dialog box New/Modified options: SAML External Browser check box Also in 9.8(3). |
|
DTLS 1.2 support for AnyConnect VPN remote access connections. |
DTLS 1.2, as defined in RFC- 6347, is now supported for AnyConnect remote access in addition to the currently supported DTLS 1.0 (1.1 version number is not used for DTLS.) This applies to all ASA models except the 5506-X, 5508-X, and 5516-X; and applies when the ASA is acting as a server only, not a client. DTLS 1.2 supports additional ciphers, as well as all current TLS/DTLS cyphers, and a larger cookie size. New/Modified commands: show run ssl, show vpn-sessiondb detail anyconnectssl cipher, ssl server-version New/Modified screens: |
|
High Availability and Scalability Features |
|
|
Cluster control link customizable IP Address for the Firepower 4100/9300 |
By default, the cluster control link uses the 127.2.0.0/16 network. You can now set the network when you deploy the cluster in FXOS. The chassis auto-generates the cluster control link interface IP address for each unit based on the chassis ID and slot ID: 127.2.chassis_id.slot_id. However, some networking deployments do not allow 127.2.0.0/16 traffic to pass. Therefore, you can now set a custom /16 subnet for the cluster control link in FXOS except for loopback (127.0.0.0/8) and multicast (224.0.0.0/4) addresses. New/Modified FXOS commands: set cluster-control-link network New/Modified Firepower Chassis Manager screens:
New/Modified options: CCL Subnet IP field |
|
Parallel joining of cluster units per Firepower 9300 chassis |
For the Firepower 9300, this feature ensures that the security modules in a chassis join the cluster simultaneously, so that traffic is evenly distributed between the modules. If a module joins very much in advance of other modules, it can receive more traffic than desired, because the other modules cannot yet share the load. New/Modified commands: unit parallel-join New/Modified screens:
New/Modified options: Parallel Join of Units Per Chassis area |
|
Cluster interface debounce time now applies to interfaces changing from a down state to an up state |
When an interface status update occurs, the ASA waits the number of milliseconds specified in the health-check monitor-interface debounce-time command or the ASDM screen before marking the interface as failed and the unit is removed from the cluster. This feature now applies to interfaces changing from a down state to an up state. For example, in the case of an EtherChannel that transitions from a down state to an up state (for example, the switch reloaded, or the switch enabled an EtherChannel), a longer debounce time can prevent the interface from appearing to be failed on a cluster unit just because another cluster unit was faster at bundling the ports. We did not modify any commands. We did not modify any screens. |
|
Active/Backup High Availability for ASAv on Microsoft Azure Government Cloud |
The stateless Active/Backup solution that allows for a failure of the active ASAv to trigger an automatic failover of the system to the backup ASAv in the Microsoft Azure public cloud is now available in the Azure Government Cloud. New or modified command: failover cloud New or modified screens:
|
|
Interface Features |
|
|
show interface ip brief and show ipv6 interface output enhancement to show the supervisor association for the Firepower 2100/4100/9300 |
For the Firepower 2100/4100/9300, the output of the command is enhanced to indicate the supervisor association status of the interfaces. New/Modified commands: show interface ip brief, show ipv6 interface |
|
The set lacp-mode command was changed to set port-channel-mode on the Firepower 2100 |
The set lacp-mode command was changed to set port-channel-mode to match the command usage in the Firepower 4100/9300. New/Modified FXOS commands: set port-channel-mode |
|
Administrative, Monitoring, and Troubleshooting Features |
|
|
Support for NTP Authentication on the Firepower 2100 |
You can now configure SHA1 NTP server authentication in FXOS. New/Modified FXOS commands: enable ntp-authentication, set ntp-sha1-key-id, set ntp-sha1-key-string New/Modified Firepower Chassis Manager screens:
New/Modified options: NTP Server Authentication: Enable check box, Authentication Key field, Authentication Value field |
|
Packet capture support for matching IPv6 traffic without using an ACL |
If you use the match keyword for the capture command, the any keyword only matches IPv4 traffic. You can now specify any4 and any6 keywords to capture either IPv4 or IPv6 traffic. The any keyword continues to match only IPv4 traffic. New/Modified commands: capture match No ASDM support. |
|
Support for public key authentication for SSH to FXOS on the Firepower 2100 |
You can set the SSH key so you can use public key authentication instead of/as well as password authentication. New/Modified FXOS commands: set sshkey No Firepower Chassis Manager support. |
|
Support for GRE and IPinIP encapsulation |
When you do a packet capture on interface inside, the output of the command is enhanced to display the GRE and IPinIP encapsulation on ICMP, UDP, TCP, and others. New/Modified commands: show capture |
|
Support to enable memory threshold that restricts application cache allocations |
You can restrict application cache allocations on reaching certain memory threshold so that there is a reservation of memory to maintain stability and manageability of the device. New/Modified commands: memory threshold enable, show run memory threshold,clear conf memory threshold |
|
Support for RFC 5424 logging timestamp |
You can enable the logging timestamp as per RFC 5424 format. New/Modified command: logging timestamp |
|
Support to display memory usage of TCB-IPS |
Shows application level memory cache for TCB-IPS New/Modified command: show memory app-cache |
|
Support to enable and disable the results for free memory and used memory statistics during SNMP walk operations |
To avoid overutilization of CPU resources, you can enable and disable the query of free memory and used memory statistics collected through SNMP walk operations. New/Modified command: snmp-server enable oid No ASDM support. |
New Features in Version 9.9
New Features in ASDM 7.9(2.152)
Released: May 9, 2018
|
Feature |
Description |
|---|---|
|
VPN Features |
|
|
Support for legacy SAML authentication |
If you deploy an ASA with the fix for CSCvg65072, then the default SAML behavior is to use the embedded browser, which is not supported on AnyConnect 4.4 or 4.5. Therefore, to continue to use AnyConnect 4.4 or 4.5, you must enable the legacy external browser SAML authentication method. Because of security limitations, use this option only as part of a temporary plan to migrate to AnyConnect 4.6. This option will be deprecated in the near future. New/Modified screens: page > Connection Profiles area > Add button > Add AnyConnect Connection Profile dialog box page > Connection Profiles area > Add button > Add Clientless SSL VPN Connection Profile dialog box New/Modified options: SAML External Browser check box |
New Features in ASA 9.9(2)/ASDM 7.9(2)
Released: March 26, 2018
|
Feature |
Description |
||
|---|---|---|---|
|
Platform Features |
|||
|
ASAv support for VMware ESXi 6.5 |
The ASAv virtual platform supports hosts running on VMware ESXi 6.5. New VMware hardware versions have been added to the vi.ovf and esxi.ovf files to enable optimal performance and usability of the ASAv on ESXi 6.5. We did not modify any commands. We did not modify any screens. |
||
|
ASAv support for VMXNET3 interfaces |
The ASAv virtual platform supports VMXNET3 interfaces on VMware hypervisors. We did not modify any commands. We did not modify any screens. |
||
|
ASAv support for virtual serial console on first boot |
You can now configure the ASAv to use the virtual serial console on first boot, instead of the virtual VGA console, to access and configure the ASAv. New or Modified commands: console serial |
||
|
ASAv support to update user-defined routes in more than one Azure subscription for High Availability on Microsoft Azure |
You can now configure the ASAv in an Azure High Availability configuration to update user-defined routes in more than one Azure subscription. New or Modified commands: failover cloud route-table New or modified screens: |
||
|
VPN Features |
|||
|
Remote Access VPN multi-context support extended to IKEv2 protocol |
Support for configuring ASA to allow Anyconnect and third party Standards-based IPSec IKEv2 VPN clients to establish Remote Access VPN sessions to ASA operating in multi-context mode. |
||
|
IPv6 connectivity to Radius Servers |
ASA 9.9.2 now supports IPv6 connectivity to external AAA Radius Servers. |
||
|
Easy VPN Enhancements for BVI Support |
Easy VPN has been enhanced to support a Bridged Virtual Interface (BVI) as its internal secure interface, and you can now directly configure which interface to use as the internal secure interface. Otherwise, the ASA chooses its internal secure interface using security levels. Also, management services, such as telnet, http, and ssh, can now be configured on a BVI if VPN management-access has been enabled on that BVI. For non-VPN management access, you should continue to configure these services on the bridge group member interfaces. New or Modified commands: vpnclient secure interface [interface-name], https, telnet, ssh, management-access |
||
|
Distributed VPN Session Improvements |
|
||
|
High Availability and Scalability Features |
|||
|
Automatically rejoin the cluster after an internal failure |
Formerly, many error conditions caused a cluster unit to be removed from the cluster, and you were required to manually rejoin the cluster after resolving the issue. Now, a unit will attempt to rejoin the cluster automatically at the following intervals by default: 5 minutes, 10 minutes, and then 20 minutes. These values are configurable. Internal failures include: application sync timeout; inconsistent application statuses; and so on. New or Modified commands: health-check system auto-rejoin, show cluster info auto-join New or modified screen: |
||
|
Configurable debounce time to mark an interface as failed for the ASA 5000-X series |
You can now configure the debounce time before the ASA considers an interface to be failed and the unit is removed from the cluster on the ASA 5500-X series. This feature allows for faster detection of interface failures. Note that configuring a lower debounce time increases the chances of false-positives. When an interface status update occurs, the ASA waits the number of milliseconds specified before marking the interface as failed and the unit is removed from the cluster. The default debounce time is 500 ms, with a range of 300 ms to 9 seconds. This feature was previously available for the Firepower 4100/9300. New or modified command: health-check monitor-interface debounce-time New or modified screen: |
||
|
Show transport related statistics for cluster reliable transport protocol messages |
You can now view per-unit cluster reliable transport buffer usage so you can identify packet drop issues when the buffer is full in the control plane. New or modified command: show cluster info transport cp detail |
||
|
Show failover history from peer unit |
You can now view failover history from the peer unit, using the details keyword . This includes failover state changes and reason for the state change. New or modified command: show failover |
||
|
Interface Features |
|||
|
Unique MAC address generation for single context mode |
You can now enable unique MAC address generation for VLAN subinterfaces in single context mode. Normally, subinterfaces share the same MAC address with the main interface. Because IPv6 link-local addresses are generated based on the MAC address, this feature allows for unique IPv6 link-local addresses. New or modified command: mac-address auto No ASDM support. Also in 9.8(3) and 9.8(4). |
||
|
Administrative Features |
|||
|
RSA key pair supports 3072-bit keys |
You can now set the modulus size to 3072. New or modified command: crypto key generate rsa modulus New or modified screen: |
||
|
The FXOS bootstrap configuration now sets the enable password |
When you deploy the ASA on the Firepower 4100/9300, the password setting in the bootstrap configuration now sets the enable password as well as the admin user password. Requires FXOS Version 2.3.1. |
||
|
Monitoring and Troubleshooting Features |
|||
|
SNMP IPv6 support |
The ASA now supports SNMP over IPv6, including communicating with SNMP servers over IPv6, allowing the execution of queries and traps over IPv6, and supporting IPv6 addresses for existing MIBs. We added the following new SNMP IPv6 MIB objects as described in RFC 8096.
New or modified command: snmp-server host
New or modified screen: |
||
|
Conditional Debugging to troubleshoot a single user session |
Conditional debugging feature now assists you to verify the logs of specific ASA VPN sessions based on the filter conditions that are set. Support for "any, any" for IPv4 and IPv6 subnets is provided. |
||
New Features in ASDM 7.9(1.151)
Released: February 14, 2018
There are no new features in this release.
New Features in ASA 9.9(1)/ASDM 7.9(1)
Released: December 4, 2017
|
Feature |
Description |
|---|---|
|
Firewall Features |
|
|
Ethertype access control list changes |
EtherType access control lists now support Ethernet II IPX (EII IPX). In addition, new keywords are added to the DSAP keyword to support common DSAP values: BPDU (0x42), IPX (0xE0), Raw IPX (0xFF), and ISIS (0xFE). Consequently, existing EtherType access contol entries that use the BPDU or ISIS keywords will be converted automatically to use the DSAP specification, and rules for IPX will be converted to 3 rules (DSAP IPX, DSAP Raw IPX, and EII IPX). In addition, packet capture that uses IPX as an EtherType value has been deprecated, because IPX corresponds to 3 separate EtherTypes. New or modified command: access-list ethertype added the new keywords eii-ipx and dsap {bpdu | ipx | isis | raw-ipx} ; capture ethernet-type no longer supports the ipx keyword. New or modified screen: . |
|
VPN Features |
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|
Distributed Site-to-Site VPN with clustering on the Firepower 9300 |
An ASA cluster on the Firepower 9300 supports Site-to-Site VPN in distributed mode. Distributed mode provides the ability to have many Site-to-Site IPsec IKEv2 VPN connections distributed across members of an ASA cluster, not just on the control unit (as in centralized mode). This significantly scales VPN support beyond Centralized VPN capabilities and provides high availability. Distributed S2S VPN runs on a cluster of up to two chassis, each containing up to three modules (six total cluster members), each module supporting up to 6K active sessions (12K total), for a maximum of approximately 36K active sessions (72K total). New or modified commands: cluster redistribute vpn-sessiondb, show cluster vpn-sessiondb, vpn mode , show cluster resource usage, show vpn-sessiondb , show connection detail, show crypto ikev2 New or modified screens: Monitoring > ASA Cluster > ASA Cluster > VPN Cluster Summary Monitoring > VPN > VPN Statistics > Sessions Configuration > Device Management > High Availablility and Scalability > ASA Cluster Wizards > Site-to-Site Monitoring > VPN > VPN Statistics > Sessions Monitoring > ASA Cluster > ASA Cluster > VPN Cluster Summary Monitoring > ASA Cluster > ASA Cluster > System Resource Graphs > CPU/Memory Monitoring > Logging > Real-Time Log Viewer |
|
High Availability and Scalability Features |
|
|
Active/Backup High Availability for ASAv on Microsoft Azure |
A stateless Active/Backup solution that allows for a failure of the active ASAv to trigger an automatic failover of the system to the backup ASAv in the Microsoft Azure public cloud. New or modified command: failover cloud New or modified screens:
Also in 9.8(1.200). |
|
Improved chassis health check failure detection for the Firepower chassis |
You can now configure a lower holdtime for the chassis health check: 100 ms. The previous minimum was 300 ms. New or modified command: app-agent heartbeat interval No ASDM support. |
|
Inter-site redundancy for clustering |
Inter-site redundancy ensures that a backup owner for a traffic flow will always be at the other site from the owner. This feature guards against site failure. New or modified commands: site-redundancy, show asp cluster counter change, show asp table cluster chash-table, show conn flag New or modified screen: |
|
cluster remove unit command behavior matches no enable behavior |
The cluster remove unit command now removes a unit from the cluster until you manually reenable clustering or reload, similar to the no enable command. Previously, if you redeployed the bootstrap configuration from FXOS, clustering would be reenabled. Now, the disabled status persists even in the case of a bootstrap configuration redeployment. Reloading the ASA, however, will reenable clustering. New/Modified command: cluster remove unit New/Modified screen: |
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Administrative, Monitoring, and Troubleshooting Features |
|
|
SSH version 1 has been deprecated |
SSH version 1 has been deprecated, and will be removed in a future release. The default setting has changed from both SSH v1 and v2 to just SSH v2. New/Modified commands: ssh version New/Modified screens: |
|
Enhanced packet tracer and packet capture capabilities |
The packet tracer has been enhanced with the following features:
The packet capture has been enhanced with the following features:
New or modified commands: cluster exec capture test trace include-decrypted, cluster exec capture test trace persist, cluster exec clear packet-tracer, cluster exec show packet-tracer id, cluster exec show packet-tracer origin, packet-tracer persist, packet-tracer transmit, packet-tracer decrypted, packet-tracer bypass-checks New or modified screens:
We added Cluster Capture field to support these options: decrypted, persist, bypass-checks, transmit We added two new options in the Filter By view under the All Sessions drop-down list: Origin and Origin-ID
We added ICMP Capture field in the Packet Capture Wizard screen: We added two options include-decrypted and persist to support ICMP Capture. |
New Features in Version 9.8
New Features in ASA 9.8(4)
Released: April 24, 2019
|
Feature |
Description |
|---|---|
|
VPN Features |
|
|
Add subdomains to webVPN HSTS |
Allows domain owners to submit what domains should be included in the HSTS preload list for web browsers. New/Modified commands: hostname(config-webvpn) includesubdomains New/Modified screens: > Enable HSTS Subdomainsfield Also in 9.12(1). |
|
Administrative Features |
|
|
Allow non-browser-based HTTPS clients to access the ASA |
You can allow non-browser-based HTTPS clients to access HTTPS services on the ASA. By default, ASDM, CSM, and REST API are allowed. Many specialty clients (for example, python libraries, curl, and wget) do not support Cross-site request forgery (CSRF) token-based authentication, so you need to specifically allow these clients to use the ASA basic authentication method. For security purposes, you should only allow required clients. New/Modified commands: http server basic-auth-client New/Modified screens.
Also in 9.12(1). |
|
show tech-support includes additional output |
The output of the show tech-support is enhanced to display the output of the following:
New/Modified commands: show tech-support Also in 9.12(1). |
|
Support to enable and disable the results for free memory and used memory statistics during SNMP walk operations |
To avoid overutilization of CPU resources, you can enable and disable the query of free memory and used memory statistics collected through SNMP walk operations. New/Modified command: snmp-server enable oid New or modified screen: Also in 9.10(1). |
New Features in ASA 9.8(3)/ASDM 7.9(2.152)
Released: July 2, 2018
|
Feature |
Description |
|---|---|
|
Platform Features |
|
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Firepower 2100 Active LED now lights amber when in standby mode |
Formerly, the Active LED was unlit in standby mode. |
|
Firewall Features |
|
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Support for removing the logout button from the cut-through proxy login page. |
If you configure the cut-through proxy to obtain user identity information (the AAA authentication listener), you can now remove the logout button from the page. This is useful in case where users connect from behind a NAT device and cannot be distinguished by IP address. When one user logs out, it logs out all users of the IP address. New/Modified commands: aaa authentication listener no-logout-button . No ASDM support. |
|
Trustsec SXP connection configurable delete hold down timer |
The default SXP connection hold down timer is 120 seconds. You can now configure this timer, between 120 to 64000 seconds. New/Modified commands: cts sxp delete-hold-down period , show cts sxp connection brief , show cts sxp connections No ASDM support. |
|
VPN Features |
|
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Support for legacy SAML authentication |
If you deploy an ASA with the fix for CSCvg65072, then the default SAML behavior is to use the embedded browser, which is not supported on AnyConnect 4.4 or 4.5. Therefore, to continue to use AnyConnect 4.4 or 4.5, you must enable the legacy external browser SAML authentication method. Because of security limitations, use this option only as part of a temporary plan to migrate to AnyConnect 4.6. This option will be deprecated in the near future. New/Modified commands: saml external-browser New/Modified screens: page > Connection Profiles area > Add button > Add AnyConnect Connection Profile dialog box page > Connection Profiles area > Add button > Add Clientless SSL VPN Connection Profile dialog box New/Modified options: SAML External Browser check box |
|
Interface Features |
|
|
Unique MAC address generation for single context mode |
You can now enable unique MAC address generation for VLAN subinterfaces in single context mode. Normally, subinterfaces share the same MAC address with the main interface. Because IPv6 link-local addresses are generated based on the MAC address, this feature allows for unique IPv6 link-local addresses. New or modified command: mac-address auto No ASDM support. Also in 9.9(2) and later. |
New Features in ASDM 7.8(2.151)
Released: October 12, 2017
|
Feature |
Description |
|---|---|
|
Firewall Features |
|
|
Ethertype access control list changes |
EtherType access control lists now support Ethernet II IPX (EII IPX). In addition, new keywords are added to the DSAP keyword to support common DSAP values: BPDU (0x42), IPX (0xE0), Raw IPX (0xFF), and ISIS (0xFE). Consequently, existing EtherType access contol entries that use the BPDU or ISIS keywords will be converted automatically to use the DSAP specification, and rules for IPX will be converted to 3 rules (DSAP IPX, DSAP Raw IPX, and EII IPX). In addition, packet capture that uses IPX as an EtherType value has been deprecated, because IPX corresponds to 3 separate EtherTypes. This feature is supported in 9.8(2.9) and other interim releases. For more information, see CSCvf57908. We modified the following commands: access-list ethertype added the new keywords eii-ipx and dsap {bpdu | ipx | isis | raw-ipx} ; capture ethernet-type no longer supports the ipx keyword. We modified the following screens: . |
New Features in ASA 9.8(2)/ASDM 7.8(2)
Released: August 28, 2017
|
Feature |
Description |
|---|---|
|
Platform Features |
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ASA for the Firepower 2100 series |
We introduced the ASA for the Firepower 2110, 2120, 2130, and 2140. Similar to the Firepower 4100 and 9300, the Firepower 2100 runs the base FXOS operating system and then the ASA operating system as an application. The Firepower 2100 implementation couples FXOS more closely with the ASA than the Firepower 4100 and 9300 do (pared down FXOS functions, single device image bundle, easy management access for both ASA and FXOS). FXOS owns configuring hardware settings for interfaces, including creating EtherChannels, as well as NTP services, hardware monitoring, and other basic functions. You can use the Firepower Chassis Manager or the FXOS CLI for this configuration. The ASA owns all other functionality, including Smart Licensing (unlike the Firepower 4100 and 9300). The ASA and FXOS each have their own IP address on the Management 1/1 interface, and you can configure management of both the ASA and FXOS instances from any data interface. We introduced the following commands: connect fxos, fxos https, fxos snmp, fxos ssh, ip-client We introduced the following screens:
|
|
Department of Defense Unified Capabilities Approved Products List |
The ASA was updated to comply with the Unified Capabilities Approved Products List (UC APL) requirements. In this release, when you enter the fips enable command, the ASA will reload. Both failover peers must be in the same FIPS mode before you enable failover. We modified the following command: fips enable |
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ASAv for Amazon Web Services M4 instance support |
You can now deploy the ASAv as an M4 instance. We did not modify any commands. We did not modify any screens. |
|
ASAv5 1.5 GB RAM capability |
Starting in Version 9.7(1), the ASAv5 may experience memory exhaustion where certain functions such as enabling AnyConnect or downloading files to the ASAv fail. You can now assign 1.5 GB (up from 1 GB) of RAM to the ASAv5. We did not modify any commands. We did not modify any screens. |
|
VPN Features |
|
|
HTTP Strict Transport Security (HSTS) header support |
HSTS protects websites against protocol downgrade attacks and cookie hijacking on clientless SSL VPN. It lets web servers declare that web browsers (or other complying user agents) should only interact with it using secure HTTPS connections, and never via the insecure HTTP protocol. HSTS is an IETF standards track protocol and is specified in RFC 6797. We introduced the following commands: hsts enable, hsts max-age age_in_seconds We modified the following screens: Configuration > Remote Access VPN > Clientless SSL VPN Access > Advanced > Proxies |
|
Interface Features |
|
|
VLAN support for the ASAv50 |
The ASAv50 now supports VLANs on the ixgbe-vf vNIC for SR-IOV interfaces. We did not modify any commands. We did not modify any screens. |
New Features in ASA 9.8(1.200)
Released: July 30, 2017
Note |
This release is only supported on the ASAv for Microsoft Azure. These features are not supported in Version 9.8(2). |
|
Feature |
Description |
|---|---|
|
High Availability and Scalability Features |
|
|
Active/Backup High Availability for ASAv on Microsoft Azure |
A stateless Active/Backup solution that allows for a failure of the active ASAv to trigger an automatic failover of the system to the backup ASAv in the Microsoft Azure public cloud. We introduced the following commands: failover cloud No ASDM support. |
New Features in ASDM 7.8(1.150)
Released: June 20, 2017
There are no new features in this release.
New Features in ASA 9.8(1)/ASDM 7.8(1)
Released: May 15, 2017
|
Feature |
Description |
|---|---|
|
Platform Features |
|
|
ASAv50 platform |
The ASAv virtual platform has added a high-end performance ASAv50 platform that provides 10 Gbps Firewall throughput levels. The ASAv50 requires ixgbe-vf vNICs, which are supported on VMware and KVM only. |
|
SR-IOV on the ASAv platform |
The ASAv virtual platform supports Single Root I/O Virtualization (SR-IOV) interfaces, which allows multiple VMs to share a single PCIe network adapter inside a host. ASAv SR-IOV support is available on VMware, KVM, and AWS only. |
|
Automatic ASP load balancing now supported for the ASAv |
Formerly, you could only manually enable and disable ASP load balancing. We modified the following command: asp load-balance per-packet auto We modified the following screen: Configuration > Device Management > Advanced > ASP Load Balancing |
|
Firewall Features |
|
|
Support for setting the TLS proxy server SSL cipher suite |
You can now set the SSL cipher suite when the ASA acts as a TLS proxy server. Formerly, you could only set global settings for the ASA using the ssl cipher command on the page. We introduced the following command: server cipher-suite We modified the following screen: , Add/Edit dialog boxes, Server Configuration page. |
|
Global timeout for ICMP errors |
You can now set the idle time before the ASA removes an ICMP connection after receiving an ICMP echo-reply packet. When this timeout is disabled (the default), and you enable ICMP inspection, then the ASA removes the ICMP connection as soon as an echo-reply is received; thus any ICMP errors that are generated for the (now closed) connection are dropped. This timeout delays the removal of ICMP connections so you can receive important ICMP errors. We added the following command: timeout icmp-error We modified the following screen: . |
|
High Availability and Scalability Features |
|
|
Improved cluster unit health-check failure detection |
You can now configure a lower holdtime for the unit health check: .3 seconds minimum. The previous minimum was .8 seconds. This feature changes the unit health check messaging scheme to heartbeats in the data plane from keepalives in the control plane. Using heartbeats improves the reliability and the responsiveness of clustering by not being susceptible to control plane CPU hogging and scheduling delays. Note that configuring a lower holdtime increases cluster control link messaging activity. We suggest that you analyze your network before you configure a low holdtime; for example, make sure a ping from one unit to another over the cluster control link returns within the holdtime/3, because there will be three heartbeat messages during one holdtime interval. If you downgrade your ASA software after setting the hold time to .3 - .7, this setting will revert to the default of 3 seconds because the new setting is unsupported. We modified the following commands: health-check holdtime, show asp drop cluster counter, show cluster info health details We modified the following screen: |
|
Configurable debounce time to mark an interface as failed for the Firepower 4100/9300 chassis |
You can now configure the debounce time before the ASA considers an interface to be failed, and the unit is removed from the cluster. This feature allows for faster detection of interface failures. Note that configuring a lower debounce time increases the chances of false-positives. When an interface status update occurs, the ASA waits the number of milliseconds specified before marking the interface as failed and the unit is removed from the cluster. The default debounce time is 500 ms, with a range of 300 ms to 9 seconds. New or modified command: health-check monitor-interface debounce-time New or modified screen: |
|
VPN Features |
|
| Support for IKEv2, certificate based authentication, and ACL in VTI |
Virtual Tunnel Interface (VTI) now supports BGP (static VTI). You can now use IKEv2 in standalone and high availability modes. You can use certificate based authentication by setting up a trustpoint in the IPsec profile. You can also apply access lists on VTI using access-group commands to filter ingress traffic. We introduced the following command in the IPsec profile configuration mode: set trustpoint. We introduced options to select the trustpoint for certificate based authentication in the following screen:
|
|
Mobile IKEv2 (MobIKE) is enabled by default |
Mobile devices operating as remote access clients require transparent IP address changes while moving. Supporting MobIKE on ASA allows a current IKE security association (SA) to be updated without deleting the current SA. MobIKE is “always on.” We introduced the following command: ikev2 mobike-rrc. Used to enable/disable return routability checking. |
|
SAML 2.0 SSO Updates |
The default signing method for a signature in a SAML request changed from SHA1 to SHA2, and you can configure which signing method you prefer: rsa-sha1, rsa-sha256, rsa-sha384, or rsa-sha512. We changed the following command in webvpn mode: saml idp signature can be configured with a value. Disabled is still the default. We introduced changes to the following screen: . |
| Change for tunnelgroup webvpn-attributes | We changed the pre-fill-username and secondary-pre-fill-username value from clientless to client.
We changed the following commands in webvpn mode: pre-fill-username and secondary-pre-fill-usernamecan be configured with a client value. |
|
AAA Features |
|
|
Login history |
By default, the login history is saved for 90 days. You can disable this feature or change the duration, up to 365 days. This feature only applies to usernames in the local database when you enable local AAA authentication for one or more of the management methods (SSH, ASDM, Telnet, and so on). We introduced the following commands: aaa authentication login-history, show aaa login-history We introduced the following screen: |
|
Password policy enforcement to prohibit the reuse of passwords, and prohibit use of a password matching a username |
You can now prohibit the reuse of previous passwords for up to 7 generations, and you can also prohibit the use of a password that matches a username. We introduced the following commands: password-history, password-policy reuse-interval, password-policy username-check We modified the following screen: |
|
Separate authentication for users with SSH public key authentication and users with passwords |
In releases prior to 9.6(2), you could enable SSH public key authentication (ssh authentication ) without also explicitly enabling AAA SSH authentication with the Local user database (aaa authentication ssh console LOCAL ). In 9.6(2), the ASA required you to explicitly enable AAA SSH authentication. In this release, you no longer have to explicitly enable AAA SSH authentication; when you configure the ssh authentication command for a user, local authentication is enabled by default for users with this type of authentication. Moreover, when you explicitly configure AAA SSH authentication, this configuration only applies for usernames with passwords, and you can use any AAA server type (aaa authentication ssh console radius_1 , for example). For example, some users can use public key authentication using the local database, and other users can use passwords with RADIUS. We did not modify any commands. We did not modify any screens. Also in Version 9.6(3). |
|
Monitoring and Troubleshooting Features |
|
|
Saving currently-running packet captures when the ASA crashes |
Formerly, active packet captures were lost if the ASA crashed. Now, packet captures are saved to disk 0 at the time of the crash with the filename [context_name.]capture_name.pcap. We did not modify any commands. We did not modify any screens. |
New Features in Version 9.7
New Features in ASDM 7.7(1.151)
Released: April 28, 2017
Note |
|
Feature |
Description |
|---|---|
|
Admin Features |
|
|
New background service for the ASDM upgrade tool |
ASDM uses a new background service for Tools > Check for ASA/ASDM Upgrades. The older service used by earlier versions of ASDM will be discontinued by Cisco in the future. |
New Features in ASA 9.7(1.4)/ASDM 7.7(1)
Released: April 4, 2017
Note |
|
Feature |
Description |
|---|---|
|
Platform Features |
|
|
New default configuration for the ASA 5506-X series using Integrated Routing and Bridging |
A new default configuration will be used for the ASA 5506-X series. The Integrated Bridging and Routing feature provides an alternative to using an external Layer 2 switch. For users replacing the ASA 5505, which includes a hardware switch, this feature lets you replace the ASA 5505 with an ASA 5506-X or other ASA model without using additional hardware. The new default configuration includes:
If you are upgrading, you can either erase your configuration and apply the default using the configure factory-default command, or you can manually configure a BVI and bridge group members to suit your needs. Note that to easily allow intra-bridge group communication, you need to enable the same-security-traffic permit inter-interface command (this command is already present for the ASA 5506W-X default configuration). |
|
Alarm ports support on the ISA 3000 |
The ISA 3000 supports two alarm input interfaces and one alarm out interface. External sensors such as door sensors can be connected to the alarm inputs. External devices like buzzers can be connected to the alarm out interface. Alarms triggered are conveyed through two LEDs, syslogs, SNMP traps, and through devices connected to the alarm out interface.You can configure descriptions of external alarms. You can also specify the severity and trigger, for external and internal alarms. All alarms can be configured for relay, monitoring and logging. We introduced the following commands: alarm contact description, alarm contact severity, alarm contact trigger, alarm facility input-alarm, alarm facility power-supply rps, alarm facility temperature, alarm facility temperature high, alarm facility temperature low, clear configure alarm, clear facility-alarm output, show alarm settings, show environment alarm-contact. We introduced the following screens:
|
|
Microsoft Azure Security Center support on the ASAv10 |
Microsoft Azure is a public cloud environment that uses a private Microsoft Hyper V Hypervisor. Microsoft Azure Security Center is a Microsoft orchestration and management layer on top of Azure that simplifies the deployment of a highly secure public cloud infrastructure. Integration of the ASAv into Azure Security Center allows the ASAv to be offered as a firewall option to protect Azure environments. |
|
Precision Time Protocol (PTP) for the ISA 3000 |
The ISA 3000 supports PTP, a time synchronization protocol for nodes distributed across a network. It provides greater accuracy than other time synchronization protocols, such as NTP, due to its hardware timestamp feature. The ISA 3000 supports PTP forward mode, as well as the one-step, end-to-end transparent clock. We added the following commands to the default configuration to ensure that PTP traffic is not sent to the ASA FirePOWER module for inspection. If you have an existing deployment, you need to manually add these commands: We introduced the following commands: debug ptp, ptp domain, ptp mode e2etransparent, ptp enable, show ptp clock, show ptp internal-info, show ptp port We introduced the following screens:
|
|
Automatic Backup and Restore for the ISA 3000 |
You can enable auto-backup and/or auto-restore functionality using pre-set parameters in the backup and restore commands. The use cases for these features include initial configuration from external media; device replacement; roll back to an operable state. We introduced the following commands: backup-package location, backup-package auto, show backup-package status, show backup-package summary We introduced the following screen: |
|
Firewall Features |
|
|
Support for SCTP multi-streaming reordering and reassembly and fragmentation. Support for SCTP multi-homing, where the SCTP endpoints have more than one IP address. |
The system now fully supports SCTP multi-streaming reordering, reassembly, and fragmentation, which improves Diameter and M3UA inspection effectiveness for SCTP traffic. The system also supports SCTP multi-homing, where the endpoints have more than one IP address each. For multi-homing, the system opens pinholes for the secondary addresses so that you do not need to write access rules to allow them. SCTP endpoints must be limited to 3 IP addresses each. We modified the output of the following command: show sctp detail . We did not modify any screens. |
|
M3UA inspection improvements. |
M3UA inspection now supports stateful failover, semi-distributed clustering, and multihoming. You can also configure strict application server process (ASP) state validation and validation for various messages. Strict ASP state validation is required for stateful failover and clustering. We added or modified the following commands: clear service-policy inspect m3ua session [assocID id] , match port sctp , message-tag-validation , show service-policy inspect m3ua drop , show service-policy inspect m3ua endpoint , show service-policy inspect m3ua session , show service-policy inspect m3ua table , strict-asp-state , timeout session . We modified the following screens: Add/Edit dialog boxes. |
|
Support for TLSv1.2 in TLS proxy and Cisco Unified Communications Manager 10.5.2. |
You can now use TLSv1.2 with TLS proxy for encrypted SIP or SCCP inspection with the Cisco Unified Communications Manager 10.5.2. The TLS proxy supports the additional TLSv1.2 cipher suites added as part of the client cipher-suite command. We modified the following commands: client cipher-suite We did not modify any screens. |
|
Integrated Routing and Bridging |
Integrated Routing and Bridging provides the ability to route between a bridge group and a routed interface. A bridge group is a group of interfaces that the ASA bridges instead of routes. The ASA is not a true bridge in that the ASA continues to act as a firewall: access control between interfaces is controlled, and all of the usual firewall checks are in place. Previously, you could only configure bridge groups in transparent firewall mode, where you cannot route between bridge groups. This feature lets you configure bridge groups in routed firewall mode, and to route between bridge groups and between a bridge group and a routed interface. The bridge group participates in routing by using a Bridge Virtual Interface (BVI) to act as a gateway for the bridge group. Integrated Routing and Bridging provides an alternative to using an external Layer 2 switch if you have extra interfaces on the ASA to assign to the bridge group. In routed mode, the BVI can be a named interface and can participate separately from member interfaces in some features, such as access rules and DHCP server. The following features that are supported in transparent mode are not supported in routed mode: multiple context mode, ASA clustering. The following features are also not supported on BVIs: dynamic routing and multicast routing. We modified the following commands: access-group, access-list ethertype, arp-inspection, dhcpd, mac-address-table static, mac-address-table aging-time, mac-learn, route, show arp-inspection, show bridge-group, show mac-address-table, show mac-learn We modified the following screens:
|
|
VM Attributes |
You can define network objects to filter traffic according to attributes associated with one or more Virtual Machines (VMs) in an VMware ESXi environment managed by VMware vCenter. You can define access control lists (ACLs) to assign policies to traffic from groups of VMs sharing one or more attributes. We added the following command: show attribute . We added the following screen:
|
|
Stale route timeout for interior gateway protocols |
You can now configure the timeout for removing stale routes for interior gateway protocols such as OSPF. We added the following command: timeout igp stale-route . We modified the following screen: . |
|
Network object limitations for object group search. |
You can reduce the memory required to search access rules by enabling object group search with the the object-group-search access-control command. When enabled, object group search does not expand network or service objects, but instead searches access rules for matches based on those group definitions. Starting with this release, the following limitation is applied: For each connection, both the source and destination IP addresses are matched against network objects. If the number of objects matched by the source address times the number matched by the destination address exceeds 10,000, the connection is dropped. This check is to prevent performance degradation. Configure your rules to prevent an excessive number of matches. |
|
Routing Features |
|
|
31-bit Subnet Mask |
For routed interfaces, you can configure an IP address on a 31-bit subnet for point-to-point connections. The 31-bit subnet includes only 2 addresses; normally, the first and last address in the subnet is reserved for the network and broadcast, so a 2-address subnet is not usable. However, if you have a point-to-point connection and do not need network or broadcast addresses, a 31-bit subnet is a useful way to preserve addresses in IPv4. For example, the failover link between 2 ASAs only requires 2 addresses; any packet that is transmitted by one end of the link is always received by the other, and broadcasting is unnecessary. You can also have a directly-connected management station running SNMP or Syslog. This feature is not supported with BVIs for bridge groups or multicast routing. We modified the following commands: ip address, http, logging host, snmp-server host, ssh We modified the following screens:
|
|
High Availability and Scalability Features |
|
|
Inter-site clustering improvement for the ASA on the Firepower 4100/9300 chassis |
You can now configure the site ID for each Firepower 4100/9300 chassis when you deploy the ASA cluster. Previously, you had to configure the site ID within the ASA application; this new feature eases initial deployment. Note that you can no longer set the site ID within the ASA configuration. Also, for best compatibility with inter-site clustering, we recommend that you upgrade to ASA 9.7(1) and FXOS 2.1.1, which includes several improvements to stability and performance. We modified the following command: site-id We modified the following screen: |
|
Director localization: inter-site clustering improvement for data centers |
To improve performance and keep traffic within a site for inter-site clustering for data centers, you can enable director localization. New connections are typically load-balanced and owned by cluster members within a given site. However, the ASA assigns the director role to a member at any site. Director localization enables additional director roles: a local director at the same site as the owner, and a global director that can be at any site. Keeping the owner and director at the same site improves performance. Also, if the original owner fails, the local director chooses a new connection owner at the same site. The global director is used if a cluster member receives packets for a connection that is owned on a different site. We introduced or modified the following commands: director-localization, show asp table cluster chash, show conn, show conn detail We modified the following screen: |
|
Interface link state monitoring polling for failover now configurable for faster detection |
By default, each ASA in a failover pair checks the link state of its interfaces every 500 msec. You can now configure the polling interval, between 300 msec and 799 msec; for example, if you set the polltime to 300 msec, the ASA can detect an interface failure and trigger failover faster. We introduced the following command: failover polltime link-state We modified the following screen: |
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Bidirectional Forwarding Detection (BFD) support for Active/Standby failover health monitoring on the Firepower 9300 and 4100 |
You can enable Bidirectional Forwarding Detection (BFD) for the failover health check between two units of an Active/Standby pair on the Firepower 9300 and 4100. Using BFD for the health check is more reliable than the default health check method and uses less CPU. We introduced the following command: failover health-check bfd We modified the following screen: |
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VPN Features |
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Dynamic RRI for IKEv2 static crypto maps |
Dynamic Reverse Route Injection occurs upon the successful establishment of IPsec Security Associations (SA's) when dynamic is specified for a crypto map . Routes are added based on the negotiated selector information. The routes will be deleted after the IPsec SA's are deleted. Dynamic RRI is supported on IKEv2 based static crypto maps only. We modified the following command: crypto map set reverse-route. We modified the following screen: Configuration > Remote Access VPN > Network (Client) Access > Advanced > IPsec > Crypto Maps > Add/Edit > Tunnel Policy (Crypto Maps) - Advanced |
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Virtual Tunnel Interface (VTI) support for ASA VPN module |
The ASA VPN module is enhanced with a new logical interface called Virtual Tunnel Interface (VTI), used to represent a VPN tunnel to a peer. This supports route based VPN with IPsec profiles attached to each end of the tunnel. Using VTI does away with the need to configure static crypto map access lists and map them to interfaces. We introduced the following commands: crypto ipsec profile, interface tunnel, responder-only, set ikev1 transform-set, set pfs, set security-association lifetime, tunnel destination, tunnel mode ipsec, tunnel protection ipsec profile, tunnel source interface. We introduced the following screens:
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SAML 2.0 based SSO for AnyConnect |
SAML 2.0-based service provider IdP is supported in a private network. With the ASA as a gateway between the user and services, authentication on IdP is handled with a restricted anonymous webvpn session, and all traffic between IdP and the user is translated. We added the following command: saml idp We modified the following commands: debug webvpn saml, show saml metadata We modified the following screen: . |
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CMPv2 |
To be positioned as a security gateway device in wireless LTE networks, the ASA now supports certain management functions using the Certificate Management Protocol (CMPv2). We modified the following commands: enrollment url, keypair, auto-update, crypto-ca-trustpoint, show crypto ca server certificates, show crypto key, show tech-support We modified the following screens: |
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Multiple certificate authentication |
You can now validate multiple certificates per session with AnyConnect SSL and IKEv2 client protocols. The Aggregate Authentication protocol has been extended to define the protocol exchange for multiple-certificate authentication and utilize this for both session types. We modified the following command: authentication {[aaa] [certificate | multiple-certificate] | saml} We modified the following screens:
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Increase split-tunneling routing limit |
The limit for split-tunneling routes for AC-SSL and AC-IKEv2 was increased from 200 to 1200. The IKEv1 limit was left at 200. |
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Smart Tunnel Support on Chrome |
A new method for smart-tunnel support in the Chrome browser on Mac and Windows devices was created. A Chrome Smart Tunnel Extension has replaced Netscape Plugin Application Program Interfaces (NPAPIs) that are no longer supported on Chrome. If you click on the smart tunnel enabled bookmark in Chrome without the extension already being installed, you are redirected to the Chrome Web Store to obtain the extension. New Chrome installations will direct the user to the Chrome Web Store to download the extension. The extension downloads the binaries from ASA that are required to run smart tunnel. Your usual bookmark and application configuration while using smart tunnel is unchanged other than the process of installing the new extension. |
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Clientless SSL VPN: Session information for all web interfaces |
All web interfaces will now display details of the current session, including the user name used to login, and user privileges which are currently assigned. This will help the user be aware of the current user session and will improve user security. |
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Clientless SSL VPN: Validation of all cookies for web applications' sessions |
All web applications will now grant access only after validating all security-related cookies. In each request, each cookie with an authentication token or a session ID will be verified before granting access to the user session. Multiple session cookies in the same request will result in the connection being dropped. Cookies with failed validations will be treated as invalid and the event will be added to the audit log. |
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AnyConnect: Maximum Connect Time Alert Interval is now supported in the Group Policy for AnyConnect VPN Client connections. |
The alert interval is the interval of time before max connection time is reached that a message will be displayed to the user warning them of termination. Valid time interval is 1-30 minutes. Default is 30 minutes. Previously supported for clientless and site-to-site VPN connections. The following command can now be used for AnyConnect connections: vpn-session-timeout alert-interval We modified the following screen: Configuration > Remote Access VPN > Network (Client) Access > Group Policies > Add/Edit > General > More Options, adding a Maximum Connect Time Alert Interval field |
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AAA Features |
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IPv6 address support for LDAP and TACACS+ Servers for AAA |
You can now use either IPv4 or IPv6 addresses for LDAP and TACACS+ servers used for AAA. We modified the following command: aaa-server host, test aaa-server We modified the following screen: |
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Administrative Features |
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PBKDF2 hashing for all local username and enable passwords |
Local username and enable passwords of all lengths are stored in the configuration using a PBKDF2 (Password-Based Key Derivation Function 2) hash. Previously, passwords 32 characters and shorter used the MD5-based hashing method. Already existing passwords continue to use the MD5-based hash unless you enter a new password. See the "Software and Configurations" chapter in the General Operations Configuration Guide for downgrading guidelines. We modified the following commands: enable password, username We modified the following screens:
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Licensing Features |
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Licensing changes for failover pairs on the Firepower 4100/9300 chassis |
Only the active unit requests the license entitlements. Previously, both units requested license entitlements. Supported with FXOS 2.1.1. |
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Monitoring and Troubleshooting Features |
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IPv6 address support for traceroute |
The traceroute command was modified to accept an IPv6 address. We modified the following command: traceroute We modified the following screen: |
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Support for the packet tracer for bridge group member interfaces |
You can now use the packet tracer for bridge group member interfaces. We added two new options to the packet-tracer command; vlan-id and dmac We added VLAN ID and Destination MAC Address fields in the packet-tracer screen: |
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IPv6 address support for syslog servers |
You can now configure syslog servers with IPv6 addresses to record and send syslogs over TCP and UDP. We modified the following commands: logging host, show running config, show logging We modified the following screen: |
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SNMP OIDs and MIBs |
The ASA now supports SNMP MIB objects corresponding to the end-to-end transparent clock mode as part of the Precision Time Protocol (PTP) for the ISA 3000. The following SNMP MIB objects are supported:
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Manually stop and start packet captures |
You can now manually stop and start the capture. Added/Modified commands: capture stop Added/Modified screens: Added/Modified options: Start button, Stop button |
New Features in Version 9.6
New Features in ASA 9.6(4)/ASDM 7.9(1)
Released: December 13, 2017
There are no new features in this release.
New Features in ASA 9.6(3.1)/ASDM 7.7(1)
Released: April 3, 2017
Note |
|
Feature |
Description |
|---|---|
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AAA Features |
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Separate authentication for users with SSH public key authentication and users with passwords |
In releases prior to 9.6(2), you could enable SSH public key authentication (ssh authentication ) without also explicitly enabling AAA SSH authentication with the Local user database (aaa authentication ssh console LOCAL ). In 9.6(2), the ASA required you to explicitly enable AAA SSH authentication. In this release, you no longer have to explicitly enable AAA SSH authentication; when you configure the ssh authentication command for a user, local authentication is enabled by default for users with this type of authentication. Moreover, when you explicitly configure AAA SSH authentication, this configuration only applies for for usernames with passwords, and you can use any AAA server type (aaa authentication ssh console radius_1 , for example). For example, some users can use public key authentication using the local database, and other users can use passwords with RADIUS. We did not modify any commands. We did not modify any screens. Also in Version 9.8(1). |
New Features in ASDM 7.6(2.150)
Released: October 12, 2016
There are no new features in this release.
New Features in ASA 9.6(2)/ASDM 7.6(2)
Released: August 24, 2016
|
Feature |
Description |
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|---|---|---|---|
|
Platform Features |
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ASA for the Firepower 4150 |
We introduced the ASA for the Firepower 4150. Requires FXOS 2.0.1. We did not add or modify any commands. We did not add or modify any screens. |
||
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Hot Plug Interfaces on the ASAv |
You can add and remove Virtio virtual interfaces on the ASAv while the system is active. When you add a new interface to the ASAv, the virtual machine detects and provisions the interface. When you remove an existing interface, the virtual machine releases any resource associated with the interface. Hot plug interfaces are limited to Virtio virtual interfaces on the Kernel-based Virtual Machine (KVM) hypervisor. |
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|
Microsoft Azure support on the ASAv10 |
Microsoft Azure is a public cloud environment that uses a private Microsoft Hyper V Hypervisor. The ASAv runs as a guest in the Microsoft Azure environment of the Hyper V Hypervisor. The ASAv on Microsoft Azure supports one instance type, the Standard D3, which supports four vCPUs, 14 GB, and four interfaces. Also in 9.5(2.200). |
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Through traffic support on the Management 0/0 interface for the ASAv |
You can now allow through traffic on the Management 0/0 interface on the ASAv. Previously, only the ASAv on Microsoft Azure supported through traffic; now all ASAvs support through traffic. You can optionally configure this interface to be management-only, but it is not configured by default. We modified the following command: management-only |
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Common Criteria Certification |
The ASA was updated to comply with the Common Criteria requirements. See the rows in this table for the following features that were added for this certification:
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Firewall Features |
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DNS over TCP inspection |
You can now inspect DNS over TCP traffic (TCP/53). We added the following command: tcp-inspection We modified the following page: Add/Edit dialog box |
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MTP3 User Adaptation (M3UA) inspection |
You can now inspect M3UA traffic and also apply actions based on point code, service indicator, and message class and type. We added or modified the following commands: clear service-policy inspect m3ua {drops | endpoint [IP_address]} , inspect m3ua , match dpc , match opc , match service-indicator , policy-map type inspect m3ua , show asp table classify domain inspect-m3ua , show conn detail , show service-policy inspect m3ua {drops | endpoint IP_address} , ss7 variant , timeout endpoint We added or modified the following pages: ; the tab for service policy rules |
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Session Traversal Utilities for NAT (STUN) inspection |
You can now inspect STUN traffic for WebRTC applications including Cisco Spark. Inspection opens pinholes required for return traffic. We added or modified the following commands: inspect stun , show conn detail , show service-policy inspect stun We added an option to the Rule Actions > Protocol Inspection tab of the Add/Edit Service Policy dialog box |
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Application layer health checking for Cisco Cloud Web Security |
You can now configure Cisco Cloud Web Security to check the health of the Cloud Web Security application when determining if the server is healthy. By checking application health, the system can fail over to the backup server when the primary server responds to the TCP three-way handshake but cannot process requests. This ensures a more reliable system. We added the following commands: health-check application url , health-check application timeout We modified the following screen: |
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Connection holddown timeout for route convergence. |
You can now configure how long the system should maintain a connection when the route used by the connection no longer exists or is inactive. If the route does not become active within this holddown period, the connection is freed. You can reduce the holddown timer to make route convergence happen more quickly. However, the 15 second default is appropriate for most networks to prevent route flapping. We added the following command: timeout conn-holddown We modified the following screen: Also in 9.4(3). |
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Changes in TCP option handling |
You can now specify actions for the TCP MSS and MD5 options in a packet’s TCP header when configuring a TCP map. In addition, the default handling of the MSS, timestamp, window-size, and selective-ack options has changed. Previously, these options were allowed, even if there were more than one option of a given type in the header. Now, packets are dropped by default if they contain more than one option of a given type. For example, previously a packet with 2 timestamp options would be allowed, now it will be dropped. You can configure a TCP map to allow multiple options of the same type for MD5, MSS, selective-ack, timestamp, and window-size. For the MD5 option, the previous default was to clear the option, whereas the default now is to allow it. You can also drop packets that contain the MD5 option. For the MSS option, you can set the maximum segment size in the TCP map (per traffic class). The default for all other TCP options remains the same: they are cleared. We modified the following command: tcp-options We modified the following screen: Add/Edit dialog box |
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Transparent mode maximum interfaces per bridge group increased to 64 |
The maximum interfaces per bridge group was increased from 4 to 64. We did not modify any commands. We did not modify any screens. |
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Flow offload support for multicast connections in transparent mode. |
You can now offload multicast connections to be switched directly in the NIC on transparent mode Firepower 4100 and 9300 series devices. Multicast offload is available for bridge groups that contain two and only two interfaces. There are no new commands or ASDM screens for this feature. |
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Customizable ARP rate limiting |
You can set the maximum number of ARP packets allowed per second. The default value depends on your ASA model. You can customize this value to prevent an ARP storm attack. We added the following commands: arp rate-limit, show arp rate-limit We modified the following screen: |
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Ethertype rule support for the IEEE 802.2 Logical Link Control packet's Destination Service Access Point address. |
You can now write Ethertype access control rules for the IEEE 802.2 Logical Link Control packet's Destination Service Access Point address. Because of this addition, the bpdu keyword no longer matches the intended traffic. Rewrite bpdu rules for dsap 0x42 . We modified the following commands: access-list ethertype We modified the following screen: . |
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|
Remote Access Features |
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Pre-fill/Username-from-cert feature for multiple context mode |
AnyConnect SSL support is extended, allowing pre-fill/username-from-certificate feature CLIs, previously available only in single mode, to be enabled in multiple context mode as well. We did not modify any commands. We did not modify any screens. |
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Flash Virtualization for Remote Access VPN |
Remote access VPN in multiple context mode now supports flash virtualization. Each context can have a private storage space and a shared storage place based on the total flash that is available:
We introduced the following commands: limit-resource storage, storage-url We modified the following screens:
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AnyConnect client profiles supported in multiple context mode |
AnyConnect client profiles are supported in multiple context mode. To add a new profile using ASDM, you must have the AnyConnect Secure Mobility Client release 4.2.00748 or 4.3.03013 and later. |
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Stateful failover for AnyConnect connections in multiple context mode |
Stateful failover is now supported for AnyConnect connections in multiple context mode. We did not modify any commands. We did not modify any screens. |
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Remote Access VPN Dynamic Access Policy (DAP) is supported in multiple context mode |
You can now configure DAP per context in multiple context mode. We did not modify any commands. We did not modify any screens. |
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Remote Access VPN CoA (Change of Authorization) is supported in multiple context mode |
You can now configure CoA per context in multiple context mode. We did not modify any commands. We did not modify any screens. |
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Remote Access VPN localization is supported in multiple context mode |
Localization is supported globally. There is only one set of localization files that are shared across different contexts. We did not modify any commands. We did not modify any screens. |
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Umbrella Roaming Security module support |
You can choose to configure the AnyConnect Secure Mobility Client's Umbrella Roaming Security module for additional DNS-layer security when no VPN is active. We did not modify any commands. We modified the following screen: . |
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IPsec/ESP Transport Mode Support for IKEv2 |
Transport mode is now supported for ASA IKEv2 negotiation. It can be used in place of tunnel (default) mode. Tunnel mode encapsulates the entire IP packet. Transport mode encapsulates only the upper-layer protocols of an IP packet. Transport mode requires that both the source and destination hosts support IPSec, and can only be used when the destination peer of the tunnel is the final destination of the IP packet. We modified the following command: crypto map set ikev2 mode We modified the following screen: |
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Per-packet routing lookups for IPsec inner packets |
By default, per-packet adjacency lookups are done for outer ESP packets; lookups are not done for packets sent through the IPsec tunnel. In some network topologies, when a routing update has altered the inner packet’s path, but the local IPsec tunnel is still up, packets through the tunnel may not be routed correctly and fail to reach their destination. To prevent this, use the new option to enable per-packet routing lookups for the IPsec inner packets. We added the following command: crypto ipsec inner-routing-lookup We modified the following screen: adding the Enable IPsec Inner Routing Lookup checkbox. |
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|
Certificate and Secure Connection Features |
|||
|
ASA client checks Extended Key Usage in server certificates |
Syslog and Smart licensing Server Certificates must contain “ServerAuth” in the Extended Key Usage field. If not, the connection fails. |
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|
Mutual authentication when ASA acts as a TLS client for TLS1.1 and 1.2 |
If the server requests a client certificate from the ASA for authentication, the ASA will send the client identity certificate configured for that interface. The certificate is configured by the ssl trust-point command. | ||
|
PKI debug messages |
The ASA PKI module makes connections to CA servers such as SCEP enrollment, revocation checking using HTTP, etc. All of these ASA PKI exchanges will be logged as debug traces under debug crypto ca message 5. |
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|
ASA SSL Server mode matching for ASDM |
For an ASDM user who authenticates with a certificate, you can now require the certificate to match a certificate map. We modified the following command: http authentication-certificate match We modified the following screen: |
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Reference Identities for Secure Syslog Server connections and Smart Licensing connections |
TLS client processing now supports rules for verification of a server identity defined in RFC 6125, Section 6. Identity verification will be done during PKI validation for TLS connections to the Syslog Server and the Smart Licensing server only. If the presented identity cannot be matched against the configured reference identity, the connection is not established. We added or modified the following commands: crypto ca reference-identity, logging host, call home profile destination address We modifed the following screens:
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Crypto Key Zeroization verification |
The ASA crypto system has been updated to comply with new key zeroization requirements. Keys must be overwritten with all zeros and then the data must be read to verify that the write was successful. |
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|
SSH public key authentication improvements |
In earlier releases, you could enable SSH public key authentication (ssh authentication ) without also enabling AAA SSH authentication with the Local user database (aaa authentication ssh console LOCAL ). The configuration is now fixed so that you must explicitly enable AAA SSH authentication. To disallow users from using a password instead of the private key, you can now create a username without any password defined. We modified the following commands: ssh authentication, username We modifed the following screens:
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|
Interface Features |
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Increased MTU size for the ASA on the Firepower 4100/9300 chassis |
You can set the maximum MTU to 9188 bytes on the Firepower 4100 and 9300; formerly, the maximum was 9000 bytes. This MTU is supported with FXOS 2.0.1.68 and later. We modified the following command: mtu We modified the following screen: |
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|
Routing Features |
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|
Bidirectional Forwarding Detection (BFD) Support |
The ASA now supports the BFD routing protocol. Support was added for configuring BFD templates, interfaces, and maps. Support for BGP routing protocol to use BFD was also added. We added or modified the following commands: authentication, bfd echo, bfd interval, bfd map, bfd slow-timers, bfd template, bfd-template, clear bfd counters, echo, debug bfd, neighbor fall-over bfd, show bfd drops, show bfd map, show bfd neighbors, show bfd summary We added or modified the following screens:
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|
IPv6 DHCP |
The ASA now supports the following features for IPv6 addressing:
We added or modified the following commands: clear ipv6 dhcp statistics, domain-name, dns-server, import, ipv6 address autoconfig, ipv6 address dhcp, ipv6 dhcp client pd, ipv6 dhcp client pd hint, ipv6 dhcp pool, ipv6 dhcp server, network, nis address, nis domain-name, nisp address, nisp domain-name, show bgp ipv6 unicast, show ipv6 dhcp, show ipv6 general-prefix, sip address, sip domain-name, sntp address We added or modified the following screens:
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High Availability and Scalability Features |
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Improved sync time for dynamic ACLs from AnyConnect when using Active/Standby failover |
When you use AnyConnect on a failover pair, then the sync time for the associated dynamic ACLs (dACLs) to the standby unit is now improved. Previously, with large dACLs, the sync time could take hours during which time the standby unit is busy syncing instead of providing high availability backup. We did not modify any commands. We did not modify any screens. |
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|
Licensing Features |
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|
Permanent License Reservation for the ASAv |
For highly secure environments where communication with the Cisco Smart Software Manager is not allowed, you can request a permanent license for the ASAv. In 9.6(2), we also added support for this feature for the ASAv on Amazon Web Services. This feature is not supported for Microsoft Azure.
We introduced the following commands: license smart reservation, license smart reservation cancel, license smart reservation install, license smart reservation request universal, license smart reservation return No ASDM support. Also in 9.5(2.200). |
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|
Satellite Server support for the ASAv |
If your devices cannot access the internet for security reasons, you can optionally install a local Smart Software Manager satellite server as a virtual machine (VM). We did not modify any commands. We did not modify any screens. |
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Permanent License Reservation for the ASAv Short String enhancement |
Due to an update to the Smart Agent (to 1.6.4), the request and authorization codes now use shorter strings. We did not modify any commands. We did not modify any screens. |
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Permanent License Reservation for the ASA on the Firepower 4100/9300 chassis |
For highly secure environments where communication with the Cisco Smart Software Manager is not allowed, you can request a permanent license for the ASA on the Firepower 9300 and Firepower 4100. All available license entitlements are included in the permanent license, including the Standard Tier, Strong Encryption (if qualified), Security Contexts, and Carrier licenses. Requires FXOS 2.0.1. All configuration is performed on the Firepower 4100/9300 chassis; no configuration is required on the ASA. |
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Smart Agent Upgrade for ASAv to v1.6 |
The smart agent was upgraded from Version 1.1 to Version 1.6. This upgrade supports permanent license reservation and also supports setting the Strong Encryption (3DES/AES) license entitlement according to the permission set in your license account.
We introduced the following commands: show license status, show license summary, show license udi, show license usage We modified the following commands: show license all, show tech-support license We deprecated the following commands: show license cert, show license entitlement, show license pool, show license registration We did not change any screens. Also in 9.5(2.200). |
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Monitoring Features |
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|
Packet capture of type asp-drop supports ACL and match filtering |
When you create a packet capture of type asp-drop, you can now also specify an ACL or match option to limit the scope of the capture. We modified the following command: capture type asp-drop We did not modify any screens. |
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Forensic Analysis enhancements |
You can create a core dump of any process running on the ASA. The ASA also extracts the text section of the main ASA process that you can copy from the ASA for examination. We modified the following commands: copy system:text, verify system:text, crashinfo force dump process We did not modify any screens. |
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Tracking Packet Count on a Per-Connection Basis through NetFlow |
Two counters were added that allow Netflow users to see the number of Layer 4 packets being sent in both directions on a connection. You can use these counters to determine average packet rates and sizes and to better predict traffic types, anomalies, and events. We did not modify any commands. We did not modify any screens. |
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SNMP engineID sync for Failover |
In a failover pair, the SNMP engineIDs of the paired ASAs are synced on both units. Three sets of engineIDs are maintained per ASA—synced engineID, native engineID and remote engineID. An SNMPv3 user can also specify the engineID of the ASA when creating a profile to preserve localized snmp-server user authentication and privacy options. If a user does not specify the native engineID, the show running config output will show two engineIDs per user. We modified the following command: snmp-server user No ASDM support. Also in 9.4(3). |
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New Features in ASA 9.6(1)/ASDM 7.6(1)
Released: March 21, 2016
Note |
The ASAv 9.5.2(200) features, including Microsoft Azure support, are not available in 9.6(1). They are available in 9.6(2). |
|
Feature |
Description |
||
|---|---|---|---|
|
Platform Features |
|||
|
ASA for the Firepower 4100 series |
We introduced the ASA for the Firepower 4110, 4120, and 4140. Requires FXOS 1.1.4. We did not add or modify any commands. We did not add or modify any screens. |
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|
SD card support for the ISA 3000 |
You can now use an SD card for external storage on the ISA 3000. The card appears as disk3 in the ASA file system. Note that plug and play support requires hardware version 2.1 and later. Use the show module command to check your hardware version. We did not add or modify any commands. We did not add or modify any screens. |
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|
Dual power supply support for the ISA 3000 |
For dual power supplies in the ISA 3000, you can establish dual power supplies as the expected configuration in the ASA OS. If one power supply fails, the ASA issues an alarm. By default, the ASA expects a single power supply and won't issue an alarm as long as it includes one working power supply. We introduced the following command: power-supply dual . No ASDM support. |
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|
Firewall Features |
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|
Diameter inspection improvements |
You can now inspect Diameter over TCP/TLS traffic, apply strict protocol conformance checking, and inspect Diameter over SCTP in cluster mode. We introduced or modified the following commands: client clear-text , inspect diameter , strict-diameter . We added or modified the following screens:
add/edit wizard's tab |
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|
SCTP stateful inspection in cluster mode |
SCTP stateful inspection now works in cluster mode. You can also configure SCTP stateful inspection bypass in cluster mode. We did not add or modify any commands. We did not add or modify any screens. |
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H.323 inspection support for the H.255 FACILITY message coming before the H.225 SETUP message for H.460.18 compatibility. |
You can now configure an H.323 inspection policy map to allow for H.225 FACILITY messages to come before the H.225 SETUP message, which can happen when endpoints comply with H.460.18. We introduced the following command: early-message . We added an option to the Call Attributes tab in the H.323 inspection policy map. |
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|
Cisco Trustsec support for Security Exchange Protocol (SXP) version 3. |
Cisco Trustsec on ASA now implements SXPv3, which enables SGT-to-subnet bindings, which are more efficient than host bindings. We introduced or modified the following commands: cts sxp mapping network-map maximum_hosts , cts role-based sgt-map , show cts sgt-map , show cts sxp sgt-map , show asp table cts sgt-map . We modified the following screens: and the SGT Map Setup dialog boxes. |
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|
Flow off-load support for the Firepower 4100 series. |
You can identify flows that should be off-loaded from the ASA and switched directly in the NIC for the Firepower 4100 series. Requires FXOS 1.1.4. We did not add or modify any commands. We did not add or modify any screens. |
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|
Remote Access Features |
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|
IKEv2 Fragmentation, RFC-7383 support |
The ASA now supports this standard fragmentation of IKEv2 packets. This allows interoperability with other IKEv2 implementations such as Apple, Strongswan etc. ASA continues to support the current, proprietary IKEv2 fragmentation to maintain backward compatibility with Cisco products that do not support RFC-7383, such as the AnyConnect client. We introduced the following commands: crypto ikev2 fragmentation , show running-config crypto ikev2 , show crypto ikev2 sa detail |
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VPN Throughput Performance Enhancements on Firepower 9300 and Firepower 4100 series |
The crypto engine accelerator-bias command is now supported on the ASA security module on the Firepower 9300 and Firepower 4100 series. This command lets you “bias” more crypto cores toward either IPSec or SSL. We modified the following command: crypto engine accelerator-bias We did not add or modify any screens. |
||
|
Configurable SSH encryption and HMAC algorithm. |
Users can select cipher modes when doing SSH encryption management and can configure HMAC and encryption for varying key exchange algorithms. You might want to change the ciphers to be more or less strict, depending on your application. Note that the performance of secure copy depends partly on the encryption cipher used. By default, the ASA negotiates one of the following algorithms in order: 3des-cbc aes128-cbc aes192-cbc aes256-cbc aes128-ctr aes192-ctr aes256-ctr. If the first algorithm proposed (3des-cbc) is chosen, then the performance is much slower than a more efficient algorithm such as aes128-cbc. To change the proposed ciphers, use ssh cipher encryption custom aes128-cbc , for example. We introduced the following commands: ssh cipher encryption, ssh cipher integrity. We introduced the following screen: Also available in 9.1(7), 9.4(3), and 9.5(3). |
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|
HTTP redirect support for IPv6 |
When you enable HTTP redirect to HTTPS for ASDM access or clientless SSL VPN, you can now redirect traffic sent an to IPv6 address. We added functionality to the following command: http redirect We added functionality to the following screen: Also available in 9.1(7) and 9.4(3). |
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|
Routing Features |
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|
IS-IS routing |
The ASA now supports the Intermediate System to Intermediate System (IS-IS) routing protocol. Support was added for routing data, performing authentication, and redistributing and monitoring routing information using the IS-IS routing protocol. We introduced the following commands: advertise passive-only, area-password, authentication key, authentication mode, authentication send-only, clear isis, debug isis, distance, domain-password, fast-flood, hello padding, hostname dynamic, ignore-lsp-errors, isis adjacency-filter, isis advertise prefix, isis authentication key, isis authentication mode, isis authentication send-only, isis circuit-type, isis csnp-interval, isis hello-interval, isis hello-multiplier, isis hello padding, isis lsp-interval, isis metric, isis password, isis priority, isis protocol shutdown, isis retransmit-interval, isis retransmit-throttle-interval, isis tag, is-type, log-adjacency-changes, lsp-full suppress, lsp-gen-interval, lsp-refresh-interval, max-area-addresses, max-lsp-lifetime, maximum-paths, metric, metric-style, net, passive-interface, prc-interval, protocol shutdown, redistribute isis, route priority high, route isis, set-attached-bit, set-overload-bit, show clns, show isis, show router isis, spf-interval, summary-address. We introduced the following screens: Configuration > Device Setup > Routing > ISIS Monitoring > Routing > ISIS |
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|
High Availability and Scalability Features |
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|
Support for site-specific IP addresses in Routed, Spanned EtherChannel mode |
For inter-site clustering in routed mode with Spanned EtherChannels, you can now configure site-specific IP addresess in addition to site-specific MAC addresses. The addition of site IP addresses allows you to use ARP inspection on the Overlay Transport Virtualization (OTV) devices to prevent ARP responses from the global MAC address from traveling over the Data Center Interconnect (DCI), which can cause routing problems. ARP inspection is required for some switches that cannot use VACLs to filter MAC addresses. We modified the following commands: mac-address, show interface We modified the following screen: |
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|
Administrative Features |
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|
Longer password support for local username and enable passwords (up to 127 characters) |
You can now create local username and enable passwords up to 127 characters (the former limit was 32). When you create a password longer than 32 characters, it is stored in the configuration using a PBKDF2 (Password-Based Key Derivation Function 2) hash. Shorter passwords continue to use the MD5-based hashing method. We modified the following commands: enable, username We modified the following screens:
|
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|
Support for the cempMemPoolTable in the CISCO-ENHANCED-MEMPOOL-MIB |
The cempMemPoolTable of the CISCO-ENHANCED-MEMPOOL-MIB is now supported. This is a table of memory pool monitoring entries for all physical entities on a managed system.
We did not add or modify any commands. We did not add or modify any screens. Also available in 9.1(7) and 9.4(3). |
||
|
REST API Version 1.3.1 |
We added support for the REST API Version 1.3.1. |
||
New Features in Version 9.5
New Features in ASA 9.5(3.9)/ASDM 7.6(2)
Released: April 11, 2017
Note |
|
Feature |
Description |
|---|---|
|
Remote Access Features |
|
|
Configurable SSH encryption and HMAC algorithm. |
Users can select cipher modes when doing SSH encryption management and can configure HMAC and encryption for varying key exchange algorithms. You might want to change the ciphers to be more or less strict, depending on your application. Note that the performance of secure copy depends partly on the encryption cipher used. By default, the ASA negotiates one of the following algorithms in order: 3des-cbc aes128-cbc aes192-cbc aes256-cbc aes128-ctr aes192-ctr aes256-ctr. If the first algorithm proposed (3des-cbc) is chosen, then the performance is much slower than a more efficient algorithm such as aes128-cbc. To change the proposed ciphers, use ssh cipher encryption custom aes128-cbc , for example. We introduced the following commands: ssh cipher encryption, ssh cipher integrity. We introduced the following screen: Also available in 9.1(7) and 9.4(3). |
New Features in ASAv 9.5(2.200)/ASDM 7.5(2.153)
Released: January 28, 2016
Note |
This release supports only the ASAv. |
|
Feature |
Description |
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|---|---|---|---|
|
Platform Features |
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|
Microsoft Azure support on the ASAv10 |
Microsoft Azure is a public cloud environment that uses a private Microsoft Hyper V Hypervisor. The ASAv runs as a guest in the Microsoft Azure environment of the Hyper V Hypervisor. The ASAv on Microsoft Azure supports one instance type, the Standard D3, which supports four vCPUs, 14 GB, and four interfaces. |
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|
Licensing Features |
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|
Permanent License Reservation for the ASAv |
For highly secure environments where communication with the Cisco Smart Software Manager is not allowed, you can request a permanent license for the ASAv.
We introduced the following commands: license smart reservation, license smart reservation cancel, license smart reservation install, license smart reservation request universal, license smart reservation return No ASDM support. |
||
|
Smart Agent Upgrade to v1.6 |
The smart agent was upgraded from Version 1.1 to Version 1.6. This upgrade supports permanent license reservation and also supports setting the Strong Encryption (3DES/AES) license entitlement according to the permission set in your license account.
We introduced the following commands: show license status, show license summary, show license udi, show license usage We modified the following commands: show license all, show tech-support license We deprecated the following commands: show license cert, show license entitlement, show license pool, show license registration We did not change any screens. |
||
New Features in ASA 9.5(2.1)/ASDM 7.5(2)
Released: December 14, 2015
Note |
This release supports only the ASA on the Firepower 9300. |
|
Feature |
Description |
||
|---|---|---|---|
|
Platform Features |
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|
VPN support for the ASA on the Firepower 9300 |
With FXOS 1.1.3, you can now configure VPN features. | ||
|
Firewall Features |
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|
Flow off-load for the ASA on the Firepower 9300 |
You can identify flows that should be off-loaded from the ASA and switched directly in the NIC (on the Firepower 9300). This provides improved performance for large data flows in data centers. Also requires FXOS 1.1.3. We added or modified the following commands: clear flow-offload , flow-offload enable , set-connection advanced-options flow-offload , show conn detail , show flow-offload . We added or modified the following screens: , the tab when adding or editing rules under . |
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|
High Availability Features |
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|
Inter-chassis clustering for 6 modules, and inter-site clustering for the ASA on the Firepower 9300 |
With FXOS 1.1.3, you can now enable inter-chassis, and by extension inter-site clustering. You can include up to 6 modules in up to 6 chassis. We did not modify any commands. We did not modify any screens. |
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|
Licensing Features |
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|
Strong Encryption (3DES) license automatically applied for the ASA on the Firepower 9300 |
For regular Cisco Smart Software Manager users, the Strong Encryption license is automatically enabled for qualified customers when you apply the registration token on the Firepower 9300.
This feature requires FXOS 1.1.3. We removed the following command for non-satellite configurations: feature strong-encryption We modified the following screen: |
||
New Features in ASA 9.5(2)/ASDM 7.5(2)
Released: November 30, 2015
|
Feature |
Description |
||
|---|---|---|---|
|
Platform Features |
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|
Cisco ISA 3000 Support |
The Cisco ISA 3000 is a DIN Rail mounted, ruggedized, industrial security appliance. It is low-power, fan-less, with Gigabit Ethernet and a dedicated management port. This model comes with the ASA Firepower module pre-installed. Special features for this model include a customized transparent mode default configuration, as well as a hardware bypass function to allow traffic to continue flowing through the appliance when there is a loss of power. We introduced the following command: hardware-bypass, hardware-bypass manual, hardware-bypass boot-delay We modified the following screen: Also in Version 9.4(1.225). |
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|
Firewall Features |
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|
DCERPC inspection improvements and UUID filtering |
DCERPC inspection now supports NAT for OxidResolver ServerAlive2 opnum5 messages. You can also now filter on DCERPC message universally unique identifiers (UUIDs) to reset or log particular message types. There is a new DCERPC inspection class map for UUID filtering. We introduced the following command: match [not] uuid . We modified the following command: class-map type inspect . We added the following screen: . We modified the following screen: . |
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|
Diameter inspection |
You can now inspect Diameter traffic. Diameter inspection requires the Carrier license. We introduced or modified the following commands: class-map type inspect diameter , diameter , inspect diameter , match application-id , match avp , match command-code , policy-map type inspect diameter , show conn detail , show diameter , show service-policy inspect diameter , unsupported We added or modified the following screens: and Diameter AVP add/edit wizard's tab |
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|
SCTP inspection and access control |
You can now use the SCTP protocol and port specifications in service objects, access control lists (ACLs) and access rules, and inspect SCTP traffic. SCTP inspection requires the Carrier license. We introduced the following commands: access-list extended , clear conn protocol sctp , inspect sctp , match ppid , nat static (object), policy-map type inspect sctp , service-object , service , set connection advanced-options sctp-state-bypass , show conn protocol sctp , show local-host connection sctp , show service-policy inspect sctp , timeout sctp We added or modified the following screens: add/edit dialogs add/edit dialogs
add/edit static network object NAT rule, Advanced NAT Settings dialog box add/edit dialogs
add/edit wizard' s and Connection Settings tabs |
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|
Carrier Grade NAT enhancements now supported in failover and ASA clustering |
For carrier-grade or large-scale PAT, you can allocate a block of ports for each host, rather than have NAT allocate one port translation at a time (see RFC 6888). This feature is now supported in failover and ASA cluster deployments. We modified the following command: show local-host We did not modify any screens. |
||
|
Captive portal for active authentication on ASA FirePOWER 6.0. |
The captive portal feature is required to enable active authentication using identity policies starting with ASA FirePOWER 6.0. We introduced or modified the following commands: captive-portal , clear configure captive-portal , show running-config captive-portal . |
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|
High Availability Features |
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|
LISP Inspection for Inter-Site Flow Mobility |
Cisco Locator/ID Separation Protocol (LISP) architecture separates the device identity from its location into two different numbering spaces, making server migration transparent to clients. The ASA can inspect LISP traffic for location changes and then use this information for seamless clustering operation; the ASA cluster members inspect LISP traffic passing between the first hop router and the egress tunnel router (ETR) or ingress tunnel router (ITR), and then change the flow owner to be at the new site. We introduced or modified the following commands: allowed-eid, clear cluster info flow-mobility counters, clear lisp eid, cluster flow-mobility lisp, debug cluster flow-mobility, debug lisp eid-notify-intercept, flow-mobility lisp, inspect lisp, policy-map type inspect lisp, site-id, show asp table classify domain inspect-lisp, show cluster info flow-mobility counters, show conn, show lisp eid, show service-policy, validate-key We introduced or modified the following screens:
|
||
|
ASA 5516-X support for clustering |
The ASA 5516-X now supports 2-unit clusters. Clustering for 2 units is enabled by default in the base license. We did not modify any commands. We did not modify any screens. |
||
|
Configurable level for clustering trace entries |
By default, all levels of clustering events are included in the trace buffer, including many low level events. To limit the trace to higher level events, you can set the minimum trace level for the cluster. We introduced the following command: trace-level We did not modify any screens. |
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|
Interface Features |
|||
|
Support to map Secondary VLANs to a Primary VLAN |
You can now configure one or more secondary VLANs for a subinterface. When the ASA receives traffic on the secondary VLANs, it maps the traffic to the primary VLAN. We introduced or modified the following commands: vlan secondary, show vlan mapping We modified the following screens:
|
||
|
Routing Features |
|||
|
PIM Bootstrap Router (BSR) support for multicast routing |
The ASA currently supports configuring static RPs to route multicast traffic for different groups. For large complex networks where multiple RPs could exist, the ASA now supports dynamic RP selection using PIM BSR to support mobility of RPs. We introduced the following commands: clear pim group-map, debug pim bsr, pim bsr-border, pim bsr-candidate, show pim bsr-router, show pim group-map rp-timers We introduced the following screen: |
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|
Remote Access Features |
|||
|
Support for Remote Access VPN in multiple context mode |
You can now use the following remote access features in multiple context mode:
We introduced the following commands: limit-resource vpn anyconnect, limit-resource vpn burst anyconnect We modified the following screen: |
||
|
Clientless SSL VPN offers SAML 2.0-based Single Sign-On (SSO) functionality |
The ASA acts as a SAML Service Provider. |
||
|
Clientless SSL VPN conditional debugging |
You can debug logs by filtering, based on the filter condition sets, and can then better analyze them. We introduced the following additions to the debug command:
|
||
|
Clientless SSL VPN cache disabled by default |
The clientless SSL VPN cache is now disabled by default. Disabling the clientless SSL VPN cache provides better stability. If you want to enable the cache, you must manually enable it. We modified the following command: cache We modified the following screen: |
||
|
Licensing Features |
|||
|
Validation of the Smart Call Home/Smart Licensing certificate if the issuing hierarchy of the server certificate changes |
Smart licensing uses the Smart Call Home infrastructure. When the ASA first configures Smart Call Home anonymous reporting in the background, it automatically creates a trustpoint containing the certificate of the CA that issued the Smart Call Home server certificate. The ASA now supports validation of the certificate if the issuing hierarchy of the server certificate changes; you can enable the automatic update of the trustpool bundle at periodic intervals. We introduced the following command: auto-import We modified the following screen: |
||
|
New Carrier license |
The new Carrier license replaces the existing GTP/GPRS license, and also includes support for SCTP and Diameter inspection. For the ASA on the Firepower 9300, the feature mobile-sp command will automatically migrate to the feature carrier command. We introduced or modified the following commands: feature carrier, show activation-key, show license, show tech-support, show version We modified the following screen: |
||
|
Monitoring Features |
|||
|
SNMP engineID sync |
In an HA pair, the SNMP engineIDs of the paired ASAs are synced on both units. Three sets of engineIDs are maintained per ASA—synced engineID, native engineID and remote engineID. An SNMPv3 user can also specify the engineID of the ASA when creating a profile to preserve localized snmp-server user authentication and privacy options. If a user does not specify the native engineID, the show running config output will show two engineIDs per user. We modified the following commands: snmp-server user, no snmp-server user We did not add or modify any screens. Also available in 9.4(3). |
||
|
show tech support enhancements |
The show tech support command now:
We modified the following command: show tech support We did not add or modify any screens. Also available in 9.1(7) and 9.4(3). |
||
|
logging debug-trace persistence |
Formerly, when you enabled logging debug-trace to redirect debugs to a syslog server, if the SSH connection were disconnected (due to network connectivity or timeout), then the debugs were removed. Now, debugs persist for as long as the logging command is in effect. We modified the following command: logging debug-trace We did not modify any screens. |
||
New Features in ASA 9.5(1.5)/ASDM 7.5(1.112)
Released: November 11, 2015
|
Feature |
Description |
|---|---|
|
Platform Features |
|
|
Support for ASA FirePOWER 6.0 |
The 6.0 software version for the ASA FirePOWER module is supported on all previously supported device models. |
|
Support for managing the ASA FirePOWER module through ASDM for the 5512-X through 5585-X. |
You can manage the ASA FirePOWER module using ASDM instead of using Firepower Management Center (formerly FireSIGHT Management Center) when running version 6.0 on the module. You can still use ASDM to manage the module on the 5506-X, 5506H-X, 5506W-X, 5508-X, and 5516-X when running 6.0. No new screens or commands were added. |
New Features in ASDM 7.5(1.90)
Released: October 14, 2015
|
Feature |
Description |
|---|---|
|
Remote Access Features |
|
|
AnyConnect Version 4.2 support |
ASDM supports AnyConnect 4.2 and the Network Visibility Module (NVM). NVM enhances the enterprise administrator’s ability to do capacity and service planning, auditing, compliance, and security analytics. The NVM collects the endpoint telemetry and logs both the flow data and the file reputation in the syslog and also exports the flow records to a collector (a third-party vendor), which performs the file analysis and provides a UI interface. We modified the following screen: Configuration > Remote Access VPN > Network (Client) Access > AnyConnect Client Profile (a new profile called Network Visibility Service Profile) |
New Features in ASAv 9.5(1.200)/ASDM 7.5(1)
Released: August 31, 2015
Note |
This release supports only the ASAv. |
|
Feature |
Description |
|---|---|
|
Platform Features |
|
|
Microsoft Hyper-V supervisor support |
Extends the hypervisor portfolio for the ASAv. |
|
ASAv5 low memory support |
The ASAv5 now only requires 1 GB RAM to operate. Formerly, it required 2 GB. For already-deployed ASAv5s, you should reduce the allocated memory to 1 GB or you will see an error that you are using more memory than is licensed. |
New Features in ASA 9.5(1)/ASDM 7.5(1)
Released: August 12, 2015
Note |
This version does not support the Firepower 9300 ASA security module or the ISA 3000. |
|
Feature |
Description |
|---|---|
|
Firewall Features |
|
|
GTPv2 inspection and improvements to GTPv0/1 inspection |
GTP inspection can now handle GTPv2. In addition, GTP inspection for all versions now supports IPv6 addresses. We modified the following commands: clear service-policy inspect gtp statistics, clear service-policy inspect gtp pdpmcb, clear service-policy inspect gtp request, match message id, show service-policy inspect gtp pdpmcb, show service-policy inspect gtp request, show service-policy inspect gtp statistics, timeout endpoint We deprecated the following command: timeout gsn We modified the following screen: Configuration > Firewall > Objects > Inspect Maps > GTP |
|
IP Options inspection improvements |
IP Options inspection now supports all possible IP options. You can tune the inspection to allow, clear, or drop any standard or experimental options, including those not yet defined. You can also set a default behavior for options not explicitly defined in an IP options inspection map. We introduced the following commands: basic-security, commercial-security, default, exp-flow-control, exp-measure, extended-security, imi-traffic-description, quick-start, record-route, timestamp We modified the following screen: Configuration > Firewall > Objects > Inspect Maps > IP Options |
|
Carrier Grade NAT enhancements |
For carrier-grade or large-scale PAT, you can allocate a block of ports for each host, rather than have NAT allocate one port translation at a time (see RFC 6888). We introduced the following commands: xlate block-allocation size, xlate block-allocation maximum-per-host. We added the block-allocation keyword to the nat command. We introduced the following screen: Configuration > Firewall > Advanced > PAT Port Block Allocation. We added Enable Block Allocation the object NAT and twice NAT dialog boxes. |
|
High Availability Features |
|
|
Inter-site clustering support for Spanned EtherChannel in Routed firewall mode |
You can now use inter-site clustering for Spanned EtherChannels in routed mode. To avoid MAC address flapping, configure a site ID for each cluster member so that a site-specific MAC address for each interface can be shared among a site’s units. We introduced or modified the following commands: site-id, mac-address site-id, show cluster info, show interface We modified the following screen: Configuration > Device Management > High Availability and Scalability > ASA Cluster > Cluster Configuration |
|
ASA cluster customization of the auto-rejoin behavior when an interface or the cluster control link fails |
You can now customize the auto-rejoin behavior when an interface or the cluster control link fails. We introduced the following command: health-check auto-rejoin We introduced the following screen: Configuration > Device Management > High Availability and Scalability > ASA Cluster > Auto Rejoin |
|
The ASA cluster supports GTPv1 and GTPv2 |
The ASA cluster now supports GTPv1 and GTPv2 inspection. We did not modify any commands. We did not modify any screens. |
|
Cluster replication delay for TCP connections |
This feature helps eliminate the “unnecessary work” related to short-lived flows by delaying the director/backup flow creation. We introduced the following command: cluster replication delay We introduced the following screen: Also available for the Firepower 9300 ASA security module in Version 9.4(1.152). |
|
Disable health monitoring of a hardware module in ASA clustering |
By default when using clustering, the ASA monitors the health of an installed hardware module such as the ASA FirePOWER module. If you do not want a hardware module failure to trigger failover, you can disable module monitoring. We modified the following command: health-check monitor-interface service-module We modified the following screen: Configuration > Device Management > High Availability and Scalability > ASA Cluster > Cluster Interface Health Monitoring |
|
Enable use of the Management 1/1 interface as the failover link on the ASA 5506H |
On the ASA 5506H only, you can now configure the Management 1/1 interface as the failover link. This feature lets you use all other interfaces on the device as data interfaces. Note that if you use this feature, you cannot use the ASA Firepower module, which requires the Management 1/1 interface to remain as a regular management interface. We modified the following commands: failover lan interface, failover link We modified the following screen: Configuration > Device Management > High Availability and Scalability > Failover > Setup |
|
Routing Features |
|
|
Support for IPv6 in Policy Based Routing |
IPv6 addresses are now supported for Policy Based Routing. We introduced the following commands: set ipv6 next-hop, set default ipv6-next hop, set ipv6 dscp We modified the following screens:
|
|
VXLAN support for Policy Based Routing |
You can now enable Policy Based Routing on a VNI interface. We did not modify any commands. We modified the following screen: Configuration > Device Setup > Interface Settings > Interfaces > Add/Edit Interface > General |
|
Policy Based Routing support for Identity Firewall and Cisco Trustsec |
You can configure Identity Firewall and Cisco TrustSec and then use Identity Firewall and Cisco TrustSec ACLs in Policy Based Routing route maps. We did not modify any commands. We modified the following screen: Configuration > Device Setup > Routing > Route Maps > Add Route Maps > Match Clause |
|
Separate routing table for management-only interfaces |
To segregate and isolate management traffic from data traffic, the ASA now supports a separate routing table for management-only interfaces. We introduced or modified the following commands: backup, clear ipv6 route management-only, clear route management-only, configure http, configure net, copy, enrollment source, name-server, restore, show asp table route-management-only, show ipv6 route management-only show route management-only We did not modify any screens. |
|
Protocol Independent Multicast Source-Specific Multicast (PIM-SSM) pass-through support |
The ASA now allows PIM-SSM packets to pass through when you enable multicast routing, unless the ASA is the Last-Hop Router. This feature allows greater flexibility in choosing a multicast group while also protecting against different attacks; hosts only receive traffic from explicitly-requested sources. We did not modify any commands. We did not modify any screens. |
|
Remote Access Features |
|
|
IPv6 VLAN Mapping |
ASA VPN code has been enhanced to support full IPv6 capabilities. No configuration change is necessary for the administrator. |
|
Clientless SSL VPN SharePoint 2013 Support |
Added support and a predefined application template for this new SharePoint version. We modified the following screen: Configuration > Remote Access VPN > Clientless SSL VPN Access > Portal > Bookmarks > Add Bookmark List > Select Bookmark Type > Predefined application templates |
|
Dynamic Bookmarks for Clientless VPN |
Added CSCO_WEBVPN_DYNAMIC_URL and CSCO_WEBVPN_MACROLIST to the list of macros when using bookmarks. These macros allow the administrator to configure a single bookmark that can generate multiple bookmark links on the clientless user’s portal and to statically configure bookmarks to take advantage of arbitrarily sized lists provided by LDAP attribute maps. We modified the following screen: Configuration > Remote Access VPN > Clientless SSL VPN Access > Portal > Bookmarks |
|
VPN Banner Length Increase |
The overall banner length, which is displayed during post-login on the VPN remote client portal, has increased from 500 to 4000. We modified the following command: banner (group-policy). We modified the following screen: Configuration > Remote Access VPN > .... Add/Edit Internal Group Policy > General Parameters > Banner |
|
Cisco Easy VPN client on the ASA 5506-X, 5506W-X, 5506H-X, and 5508-X |
This release supports Cisco Easy VPN on the ASA 5506-X series and for the ASA 5508-X. The ASA acts as a VPN hardware client when connecting to the VPN headend. Any devices (computers, printers, and so on) behind the ASA on the Easy VPN port can communicate over the VPN; they do not have to run VPN clients individually. Note that only one ASA interface can act as the Easy VPN port; to connect multiple devices to that port, you need to place a Layer 2 switch on the port, and then connect your devices to the switch. We introduced the following commands: vpnclient enable, vpnclient server, vpnclient mode, vpnclient username, vpnclient ipsec-over-tcp, vpnclient management, vpnclient vpngroup, vpnclient trustpoint, vpnclient nem-st-autoconnect, vpnclient mac-exempt We introduced the following screen: Configuration > VPN > Easy VPN Remote |
|
Monitoring Features |
|
|
Show invalid usernames in syslog messages |
You can now show invalid usernames in syslog messages for unsuccessful login attempts. The default setting is to hide usernames when the username is invalid or if the validity is unknown. If a user accidentally types a password instead of a username, for example, then it is more secure to hide the “username” in the resultant syslog message. You might want to show invalid usernames to help with troubleshooting login issues. We introduced the following command: no logging hide username We modified the following screen: Configuration > Device Management > Logging > Syslog Setup This feature is also available in 9.2(4) and 9.3(3). |
|
REST API Features |
|
|
REST API Version 1.2.1 |
We added support for the REST API Version 1.2.1. |
New Features in Version 9.4
New Features in ASA 9.4(4.5)/ASDM 7.6(2)
Released: April 3, 2017
Note |
There are no new features in this release.
New Features in ASA 9.4(3)/ASDM 7.6(1)
Released: April 25, 2016
|
Feature |
Description |
||
|---|---|---|---|
|
Firewall Features |
|||
|
Connection holddown timeout for route convergence |
You can now configure how long the system should maintain a connection when the route used by the connection no longer exists or is inactive. If the route does not become active within this holddown period, the connection is freed. You can reduce the holddown timer to make route convergence happen more quickly. However, the 15 second default is appropriate for most networks to prevent route flapping. We added the following command: timeout conn-holddown We modified the following screen: |
||
|
Remote Access Features |
|||
|
Configurable SSH encryption and HMAC algorithm. |
Users can select cipher modes when doing SSH encryption management and can configure HMAC and encryption for varying key exchange algorithms. We introduced the following commands: ssh cipher encryption, ssh cipher integrity. We introduced the following screen: Also available in 9.1(7). |
||
|
HTTP redirect support for IPv6 |
When you enable HTTP redirect to HTTPS for ASDM access or clientless SSL VPN, you can now redirect traffic sent an to IPv6 address. We added functionality to the following command: http redirect We added functionality to the following screen: Also available in 9.1(7). |
||
|
Monitoring Features |
|||
|
SNMP engineID sync for Failover |
In a failover pair, the SNMP engineIDs of the paired ASAs are synced on both units. Three sets of engineIDs are maintained per ASA—synced engineID, native engineID and remote engineID. An SNMPv3 user can also specify the engineID of the ASA when creating a profile to preserve localized snmp-server user authentication and privacy options. If a user does not specify the native engineID, the show running config output will show two engineIDs per user. We modified the following command: snmp-server user No ASDM support. |
||
|
show tech support enhancements |
The show tech support command now:
We modified the following command: show tech support We did not add or modify any screens. Also available in 9.1(7). |
||
|
Support for the cempMemPoolTable in the CISCO-ENHANCED-MEMPOOL-MIB |
The cempMemPoolTable of the CISCO-ENHANCED-MEMPOOL-MIB is now supported. This is a table of memory pool monitoring entries for all physical entities on a managed system.
We did not add or modify any commands. We did not add or modify any screens. Also available in 9.1(7). |
||
New Features in ASA 9.4(2.145)/ASDM 7.5(1)
Released: November 13, 2015
There are no new features in this release.
Note |
This release supports only the Firepower 9300 ASA security module. |
New Features in ASA 9.4(2)/ASDM 7.5(1)
Released: September 24, 2015
There are no new features in this release.
Note |
ASAv 9.4(1.200) features are not included in this release. |
Note |
This version does not support the ISA 3000. |
New Features in ASA 9.4(1.225)/ASDM 7.5(1)
Released: September 17, 2015
Note |
This release supports only the Cisco ISA 3000. |
|
Feature |
Description |
|---|---|
|
Platform Features |
|
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Cisco ISA 3000 Support |
The Cisco ISA 3000 is a DIN Rail mounted, ruggedized, industrial security appliance. It is low-power, fan-less, with Gigabit Ethernet and a dedicated management port. This model comes with the ASA Firepower module pre-installed. Special features for this model include a customized transparent mode default configuration, as well as a hardware bypass function to allow traffic to continue flowing through the appliance when there is a loss of power. We introduced the following commands: hardware-bypass, hardware-bypass manual, hardware-bypass boot-delay, show hardware-bypass We introduced the following screen: The hardware-bypass boot-delay command is not available in ASDM 7.5(1). This feature is not available in Version 9.5(1). |
New Features in ASA 9.4(1.152)/ASDM 7.4(3)
Released: July 13, 2015
Note |
This release supports only the ASA on the Firepower 9300. |
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Feature |
Description |
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Platform Features |
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ASA security module on the Firepower 9300 |
We introduced the ASA security module on the Firepower 9300.
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High Availability Features |
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Intra-chassis ASA Clustering for the Firepower 9300 |
You can cluster up to 3 security modules within the Firepower 9300 chassis. All modules in the chassis must belong to the cluster. We introduced the following commands: cluster replication delay, debug service-module, management-only individual, show cluster chassis We introduced the following screen: |
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Licensing Features |
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Cisco Smart Software Licensing for the ASA on the Firepower 9300 |
We introduced Smart Software Licensing for the ASA on the Firepower 9300. We introduced the following commands: feature strong-encryption, feature mobile-sp, feature context We modified the following screen: |
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New Features in ASAv 9.4(1.200)/ASDM 7.4(2)
Released: May 12, 2015
Note |
This release supports only the ASAv. |
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Feature |
Description |
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Platform Features |
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ASAv on VMware no longer requires vCenter support |
You can now install the ASAv on VMware without vCenter using the vSphere client or the OVFTool using a Day 0 configuration. |
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ASAv on Amazon Web Services (AWS) |
You can now use the ASAv with Amazon Web Services (AWS) and the Day 0 configuration.
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New Features in ASDM 7.4(2)
Released: May 6, 2015
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Feature |
Description |
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Remote Access Features |
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AnyConnect Version 4.1 support |
ASDM now supports AnyConnect Version 4.1. We modified the following screen: Configuration > Remote Access VPN > Network (Client) Access > AnyConnect Client Profile (a new profile called AMP Enabler Service Profile) |
New Features in ASA 9.4(1)/ASDM 7.4(1)
Released: March 30, 2015
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Feature |
Description |
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Platform Features |
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ASA 5506W-X, ASA 5506H-X, ASA 5508-X, ASA 5516-X |
We introduced the ASA 5506W-X with wireless access point, hardened ASA 5506H-X, ASA 5508-X, and ASA 5516-X models. We introduced the following command: hw-module module wlan recover image, hw-module module wlan recover image. We did not modify any ASDM screens. |
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Certification Features |
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Department of Defense Unified Capabilities Requirements (UCR) 2013 Certification |
The ASA was updated to comply with the DoD UCR 2013 requirements. See the rows in this table for the following features that were added for this certification:
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FIPS 140-2 Certification compliance updates |
When you enable FIPS mode on the ASA, additional restrictions are put in place for the ASA to be FIPS 140-2 compliant. Restrictions include:
To see the FIPS certification status for the ASA, see: http://csrc.nist.gov/groups/STM/cmvp/documents/140-1/140InProcess.pdf This PDF is updated weekly. See the Computer Security Division Computer Security Resource Center site for more information: http://csrc.nist.gov/groups/STM/cmvp/inprocess.html We modified the following command: fips enable |
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Firewall Features |
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Improved SIP inspection performance on multiple core ASAs. |
If you have multiple SIP signaling flows going through an ASA with multiple cores, SIP inspection performance has been improved. However, you will not see improved performance if you are using a TLS, phone, or IME proxy. We did not modify any commands. We did not modify any screens. |
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SIP inspection support for Phone Proxy and UC-IME Proxy was removed. |
You can no longer use Phone Proxy or UC-IME Proxy when configuring SIP inspection. Use TLS Proxy to inspect encrypted traffic. We removed the following commands: phone-proxy, uc-ime. We removed the phone-proxy and uc-ime keywords from the inspect sip command. We removed Phone Proxy and UC-IME Proxy from the Select SIP Inspect Map service policy dialog box. |
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DCERPC inspection support for ISystemMapper UUID message RemoteGetClassObject opnum3. |
The ASA started supporting non-EPM DCERPC messages in release 8.3, supporting the ISystemMapper UUID message RemoteCreateInstance opnum4. This change extends support to the RemoteGetClassObject opnum3 message. We did not modify any commands. We did not modify any screens. |
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Unlimited SNMP server trap hosts per context |
The ASA supports an unlimited number of SNMP server trap hosts per context. The show snmp-server host command output displays only the active hosts that are polling the ASA, as well as the statically configured hosts. We modified the following command: show snmp-server host. We did not modify any screens. |
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VXLAN packet inspection |
The ASA can inspect the VXLAN header to enforce compliance with the standard format. We introduced the following command: inspect vxlan. We modified the following screen: Configuration > Firewall > Service Policy Rules > Add Service Policy Rule > Rule Actions > Protocol Inspection |
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DHCP monitoring for IPv6 |
You can now monitor DHCP statistics and DHCP bindings for IPv6. We introduced the following screens: Monitoring > Interfaces > DHCP > IPV6 DHCP Statistics Monitoring > Interfaces > DHCP > IPV6 DHCP Binding. |
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ESMTP inspection change in default behavior for TLS sessions. |
The default for ESMTP inspection was changed to allow TLS sessions, which are not inspected. However, this default applies to new or reimaged systems. If you upgrade a system that includes no allow-tls , the command is not changed. The change in default behavior was also made in these older versions: 8.4(7.25), 8.5(1.23), 8.6(1.16), 8.7(1.15), 9.0(4.28), 9.1(6.1), 9.2(3.2) 9.3(1.2), 9.3(2.2). |
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High Availability Features |
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Blocking syslog generation on a standby ASA |
You can now block specific syslogs from being generated on a standby unit. We introduced the following command: no logging message syslog-id standby. We did not modify any screens. |
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Enable and disable ASA cluster health monitoring per interface |
You can now enable or disable health monitoring per interface. Health monitoring is enabled by default on all port-channel, redundant, and single physical interfaces. Health monitoring is not performed on VLAN subinterfaces or virtual interfaces such as VNIs or BVIs. You cannot configure monitoring for the cluster control link; it is always monitored. You might want to disable health monitoring of non-essential interfaces, for example, the management interface. We introduced the following command: health-check monitor-interface. We introduced the following screen: Configuration > Device Management > High Availability and Scalability > ASA Cluster > Cluster Interface Health Monitoring |
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ASA clustering support for DHCP relay |
You can now configure DHCP relay on the ASA cluster. Client DHCP requests are load-balanced to the cluster members using a hash of the client MAC address. DHCP client and server functions are still not supported. We introduced the following command: debug cluster dhcp-relay We did not modify any screens. |
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SIP inspection support in ASA clustering |
You can now configure SIP inspection on the ASA cluster. A control flow can be created on any unit (due to load balancing), but its child data flows must reside on the same unit. TLS Proxy configuration is not supported. We introduced the following command: show cluster service-policy We did not modify any screens. |
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Routing Features |
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Policy Based Routing |
Policy Based Routing (PBR) is a mechanism by which traffic is routed through specific paths with a specified QoS using ACLs. ACLs let traffic be classified based on the content of the packet’s Layer 3 and Layer 4 headers. This solution lets administrators provide QoS to differentiated traffic, distribute interactive and batch traffic among low-bandwidth, low-cost permanent paths and high-bandwidth, high-cost switched paths, and allows Internet service providers and other organizations to route traffic originating from various sets of users through well-defined Internet connections. We introduced the following commands: set ip next-hop verify-availability, set ip next-hop, set ip next-hop recursive, set interface, set ip default next-hop, set default interface, set ip df, set ip dscp, policy-route route-map, show policy-route, debug policy-route We introduced or modified the following screens: Configuration > Device Setup > Routing > Route Maps > Policy Based Routing Configuration > Device Setup > Routing > Interface Settings > Interfaces. |
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Interface Features |
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VXLAN support |
VXLAN support was added, including VXLAN tunnel endpoint (VTEP) support. You can define one VTEP source interface per ASA or security context. We introduced the following commands: debug vxlan, default-mcast-group, encapsulation vxlan, inspect vxlan, interface vni, mcast-group, nve, nve-only, peer ip, segment-id, show arp vtep-mapping, show interface vni, show mac-address-table vtep-mapping, show nve, show vni vlan-mapping, source-interface, vtep-nve, vxlan port We introduced the following screens: Configuration > Device Setup > Interface Settings > Interfaces > Add > VNI Interface Configuration > Device Setup > Interface Settings > VXLAN |
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Monitoring Features |
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Memory tracking for the EEM |
We have added a new debugging feature to log memory allocations and memory usage, and to respond to memory logging wrap events. We introduced or modified the following commands: memory logging, show memory logging, show memory logging include, event memory-logging-wrap We modified the following screen: Configuration > Device Management > Advanced > Embedded Event Manager > Add Event Manager Applet > Add Event Manager Applet Event |
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Troubleshooting crashes |
The show tech-support command output and show crashinfo command output includes the most recent 50 lines of generated syslogs. Note that you must enable the logging buffer command to enable these results to appear. |
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Remote Access Features |
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Support for ECDHE-ECDSA ciphers |
TLSv1.2 added support for the following ciphers:
We introduced the following command: ssl ecdh-group. We modified the following screen: Configuration > Remote Access VPN > Advanced > SSL Settings. |
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Clientless SSL VPN session cookie access restriction |
You can now prevent a Clientless SSL VPN session cookie from being accessed by a third party through a client-side script such as Javascript.
We introduced the following command: http-only-cookie. We introduced the following screen: Configuration > Remote Access VPN > Clientless SSL VPN Access > Advanced > HTTP Cookie. This feature is also in 9.2(3). |
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Virtual desktop access control using security group tagging |
The ASA now supports security group tagging-based policy control for Clientless SSL remote access to internal applications and websites. This feature uses Citrix’s virtual desktop infrastructure (VDI) with XenDesktop as the delivery controller and the ASA’s content transformation engine. See the following Citrix product documentation for more information:
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OWA 2013 feature support has been added for Clientless SSL VPN |
Clientless SSL VPN supports the new features in OWA 2013 except for the following:
We did not modify any commands. We did not modify any screens. |
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Citrix XenDesktop 7.5 and StoreFront 2.5 support has been added for Clientless SSL VPN |
Clientless SSL VPN supports the access of XenDesktop 7.5 and StoreFront 2.5. See http://support.citrix.com/proddocs/topic/xenapp-xendesktop-75/cds-75-about-whats-new.html for the full list of XenDesktop 7.5 features, and for more details. See http://support.citrix.com/proddocs/topic/dws-storefront-25/dws-about.html for the full list of StoreFront 2.5 features, and for more details. We did not modify any commands. We did not modify any screens. |
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Periodic certificate authentication |
When you enable periodic certificate authentication, the ASA stores certificate chains received from VPN clients and re-authenticates them periodically. We introduced or modified the following commands: periodic-authentication certificate, revocation-check, show vpn-sessiondb We modified the following screens: Configuration > Device Management > Certificate Management > Identity Certificates Configuration > Device Management > Certificate Management > CA Certificates |
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Certificate expiration alerts |
The ASA checks all CA and ID certificates in the trust points for expiration once every 24 hours. If a certificate is nearing expiration, a syslog will be issued as an alert. You can configure the reminder and recurrence intervals. By default, reminders will start at 60 days prior to expiration and recur every 7 days. We introduced or modified the following commands: crypto ca alerts expiration We modified the following screens: Configuration > Device Management > Certificate Management > Identity Certificates Configuration > Device Management > Certificate Management > CA Certificates |
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Enforcement of the basic constraints CA flag |
Certificates without the CA flag now cannot be installed on the ASA as CA certificates by default. The basic constraints extension identifies whether the subject of the certificate is a CA and the maximum depth of valid certification paths that include this certificate. You can configure the ASA to allow installation of these certificates if desired. We introduced the following command: ca-check We modified the following screens: Configuration > Device Management > Certificate Management > CA Certificates |
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