Cisco Secure Firewall ASA
| Overview | Product Overview |
|---|---|
| Product Type | Firewalls |
| Status | Available Order |
| Series Release Date | 10-SEP-2012 |
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Recent Security Notices
- 26-May-2025
Document Categories
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Data Sheets and Product Information
- Cisco ASA Software Release 9.0 Data Sheet
Data Sheets
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Security Notices
- SW_Advisory_CSCvj93913 (DOCX - 17 KB)
Security Advisories, Responses and Notices
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Release and Compatibility
- Cisco Secure Firewall ASA Compatibility
- Cisco Secure Firewall Migration Tool Compatibility Guide
- Cisco Firepower 4100/9300 FXOS Compatibility
- Supported VPN Platforms, Cisco Secure Firewall ASA Series
Compatibility Information
- Release Notes for the Cisco ASA Series, 9.14(x)
- Release Notes for the Cisco ASA Series, 9.15(x)
- Release Notes for the Cisco ASA Series, 9.17(x)
- Release Notes for Cisco ASDM, 7.17(x)
- Release Notes for Cisco Secure Firewall ASDM, 7.23(x)
- Release Notes for the Cisco Secure Firewall ASA, 9.23(x)
- Release Notes for the Cisco Secure Firewall ASA, 9.22(x)
- Release Notes for Cisco Secure Firewall ASDM, 7.22(x)
- Release Notes for Cisco Secure Firewall ASDM, 7.20(x)
- Release Notes for the Cisco Secure Firewall ASA, 9.20(x)
- Release Notes for Cisco Secure Firewall ASDM, 7.19(x)
- Release Notes for the Cisco Secure Firewall ASA Series, 9.19(x)
- Release Notes for Cisco Secure Firewall ASDM, 7.18(x)
- Release Notes for the Cisco Secure Firewall ASA Series, 9.18(x)
- Release Notes for Cisco ASDM, 7.16(x)
Release Notes
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Reference
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ASA Command Reference
- Cisco Secure Firewall ASA Series Command Reference, A-H Commands
- Cisco Secure Firewall ASA Series Command Reference, I - R Commands
- Cisco Secure Firewall ASA Series Command Reference, S Commands
- Cisco Secure Firewall ASA Series Command Reference, T - Z Commands and IOS Commands for ASASM
- show asp drop Command Usage
Command References
- Navigating the Cisco Secure Firewall Migration Tool Documentation
- Navigating the Cisco Secure Firewall ASA Series Documentation
- Start Here: Cisco ASA 5506H-X
- Welcome to the Cisco ASA 5500-X Series
- Welcome to the Cisco ASA 5505
- Welcome to the Cisco ASA Services Module
- Welcome to the ASA 5508-X and ASA 5516-X
- Start Here: Cisco ASA 5506-X
- Welcome to the Cisco ASA 5585-X
Documentation Roadmaps
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Feature Licenses for the Cisco ASA Series
Licensing Information
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Design
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Install and Upgrade
- Cisco Secure Firewall ASA Upgrade Guide
- Cisco Firepower 2100 Series Hardware Installation Guide
- Cisco Secure Firewall ASA Virtual Getting Started Guide, 9.23
- Cisco Secure Firewall ASA and Threat Defense Reimage Guide
- Cisco Secure Firewall 3100 Series Hardware Installation Guide
- Secure Firewall 3100 ASA Getting Started
- Migrating Cisco Secure Firewall ASA to Cisco Secure Firewall Threat Defense with the Migration Tool
- Migrating ASA with FirePOWER Services (FPS) Firewall to Cisco Secure Firewall Threat Defense with the Migration Tool
- Migrating Check Point Firewall to Cisco Secure Firewall Threat Defense with the Migration Tool
- Migrating Palo Alto Networks Firewall to Cisco Secure Firewall Threat Defense with the Migration Tool
- Migrating Firewalls with the Firewall Migration Tool in Firewall in Security Cloud Control
- Secure Firewall 1210/20 ASA Getting Started
- Cisco Secure Firewall ASA to Threat Defense Feature Mapping
- Migrating Fortinet Firewall to Cisco Secure Firewall Threat Defense with the Migration Tool
- Secure Firewall 4200 ASA Getting Started
Install and Upgrade Guides
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Configuration
- Configure Multiple RAVPN Profiles with SAML Authentication on FDM
- Configure Multiple Tunnel Groups with SAML on ASA
- Configure Certificate Enrollment with ACME Protocol on Secure Firewall
- Understand the Operation of DNS on ASA when FQDN Objects Are Used
- Configure Quality of Service on Adaptive Security Appliance
- Configure Threat Detection for Remote Access VPN Services on Secure Firewall ASA
- Implement Hardening Measures for Secure Client AnyConnect VPN
- Configure the ASA for Redundant or Backup ISP Links
- Shun/Block on IPS for ASA/PIX/IOS Router
- Configure Connection Timeout for Specific Traffic on ASA with ASDM
- Configure VPN Client Load Balance with DNS Round Robin on ASA
- Configure AnyConnect Management VPN Tunnel on ASA
- Deploy Example on CSM to ASA
- Ascertain ASA Threat Detection Functionality and Configuration
- Configure Adaptive Security Appliance (ASA) DHCP Relay
Configuration Examples and TechNotes
- Cisco Secure Firewall ASA HTTP Interface for Automation
- CLI Book 1: Cisco Secure Firewall ASA Series General Operations CLI Configuration Guide, 9.23
- CLI Book 3: Cisco Secure Firewall ASA VPN CLI Configuration Guide, 9.20
- CLI Book 3: Cisco Secure Firewall ASA VPN CLI Configuration Guide, 9.23
- ASDM Book 1: Cisco ASA General Operations ASDM Configuration Guide, 7.20
- CLI Book 1: Cisco Secure Firewall ASA General Operations CLI Configuration Guide, 9.20
- CLI Book 3: Cisco Secure Firewall ASA VPN CLI Configuration Guide, 9.22
- ASDM Book 1: Cisco ASA Series General Operations ASDM Configuration Guide, 7.23
- ASDM Book 2: Cisco Secure Firewall ASA Firewall ASDM Configuration Guide, 7.23
- CLI Book 2: Cisco Secure Firewall ASA Firewall CLI Configuration Guide, 9.23
- Deploy a Cluster for the ASA Virtual in a Public Cloud
- CLI Book 1: Cisco Secure Firewall ASA Series General Operations CLI Configuration Guide, 9.22
- Cisco APIC Integration with ASA Solution Guide
- Deploy a Cluster for the ASA Virtual for the Private Cloud
- Deploy a Cluster for ASA on the Secure Firewall 3100/4200
Configuration Guides
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Maintain and Operate
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Troubleshooting
- Cisco Secure Firewall ASA Series Syslog Messages
- Cisco Secure Firewall Migration Tool Error Messages
- Cisco Firepower 1000/2100 FXOS Faults and Error Messages, Firepower Threat Defense 6.6 and ASA 9.14(1)
Error and System Messages
- Answer Secure Client Licensing Frequently Asked Questions
- ASA FAQ: How can I specify the ASA source interface for syslogs sent over a VPN tunneI?
- Q.A for CUCM PHONE CERTIFICATES (LSC/MIC)
- ASA FAQ: How do you interpret the syslogs generated by the ASA when it builds or tears down connections?
- ASA FAQ: What happens after failover if dynamic routes are synchronized?
- ASA FAQ: Why does the ASA send packets to the IPS module with no IPS policy configuration?
- ASA FAQ: Why does the ASA reply to ARP requests for other IP addresses in the subnet?
- ASA FAQ: What does the "Free the flow created as result of packet injection" ASA teardown message mean
- ASA - When and why to use the write standby command
- Why Does the ASA have xlate Entries with Idle Values Longer than the Configured Timeouts?
- What is the 'x' connection flag in the show xlate output in ASA version 9.0(1) and later?
- ASA License for IP Phone and Mobile VPN Connections
Support FAQ
- Configure Group Policy Assignment for SAML Using Secure Firewall and Microsoft Entra ID
- Troubleshoot an Unresponsive Cisco Secure Firewall
- Troubleshoot Firepower Threat Defense (FTD) Cluster
- Configure Cisco RADKit Integration in FMC
- Troubleshoot ASA Smart License on FXOS Firepower Appliances
- Migrate ASA to Firepower Threat Defense (FTD) Using FMT
- Understanding Different Memory Elements of ASA/FTD
- Troubleshoot ASDM Launch Problems
- Troubleshoot ASDM Configuration, Authentication and Other Problems
- Troubleshoot ASDM TLS Security, Certificate and Vulnerability Problems
- Troubleshoot ASDM License, Upgrade and Compatibility Problems
- Use AnyConnect Captive Portal Detection and Remediation
- Use ASDM to Manage a FirePOWER Module on an ASA
- Configure Failover for IPSec Site-to-Site Tunnels
- Troubleshoot Split-Brain Issues on ASA Failover
Troubleshooting TechNotes
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