Cisco Firepower 4100 Series Security Appliances
| Product Type | Firewalls |
|---|---|
| Status | Available Order |
| Series Release Date | 15-FEB-2016 |
| Diagram | Visio Stencil (1 MB .zip file) |
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Recent Security Notices
- 25-Mar-2026
- 25-Mar-2026
- 04-Mar-2026
- 04-Mar-2026
- 04-Mar-2026
Document Categories
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Data Sheets and Product Information
- Cisco Secure Firewall At-a-Glance
At-a-Glance
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Security Notices
- Field Notice: FN74214 - Cisco Secure Firewall Management Center: Root Certificate Authority Expiration May Cause Cisco Firepower Threat Defense Devices To Become Unmanaged - Software Upgrade Recommended
- Field Notice: FN74316 - Cisco Secure Firewalls: Microsoft Intune Managed Endpoints Might Be Unable to Communicate with the Intune Service After December 2, 2025 - Configuration Change Recommended
- Field Notice: FN74284 - Cisco Firepower Device Manager: Some Firepower Software Releases Might Not Auto-Renew Talos Root Certificate After March 30, 2025 - Software Upgrade Recommended
- Field Notice: FN74213 - Cisco ASA Software: Upgrades To Software Release 9.18.4.24 May Not Save Configuration - Software Upgrade Recommended
- Field Notice: FN74111 - Cisco Secure Firewall 4100 Series: Some 800GB Spare Solid State Drives Might be Formatted to Only 400GB - Hardware Upgrade Available
- Field Notice: FN74153 - ASA Software: Secure Firewall Appliance Lina Process Might Traceback And Reload - Software Upgrade Recommended
- Field Notice: FN74140 - Cisco Firepower Software: Cisco Secure Client Images Larger Than 100 MB Might Not Upload To Cisco Firepower Management Center - Software Upgrade Recommended
- Field Notice: FN74062 - Cisco Firepower Management Center Software: MariaDB Database Might Become Unresponsive And Prevent User Login Access - Software Upgrade Recommended
- Field Notice: FN72077 - FPR9300 and FPR4100 Series Security Appliances - Some Appliances Might Fail to Pass Traffic After 3.2 Years of Uptime - Power Cycle Required - Software Upgrade Recommended
- Field Notice: FN - 72550 - ASA and Firepower Software: Secure Firewall Appliance Might Traceback And Reload In A High Availability Configuration - Software Upgrade Recommended
- Field Notice: FN - 72548 - Firepower Software: Log Files Might Consume Excessive Disk Space - Software Upgrade Recommended
- Field Notice: FN - 72439 - ASA and FTD Software: Network Address Translation Might Become Disabled - Software Upgrade Recommended
- Field Notice: FN - 72501 - Firepower Software: Automatic Software Downloads And Content Updates Might Fail After January 10, 2023 - Software Upgrade Recommended
- Field Notice: FN - 72385 - Firepower Software: TCP Connections Disconnect When Idle Timeout is Configured - Software Upgrade Recommended
- Field Notice: FN - 72282 - Firepower Software – Firepower Security Appliance Might Reboot Unexpectedly - Software Upgrade Recommended
Field Notices
- Cisco IOS, IOS XE, Secure Firewall Adaptive Security Appliance, and Secure Firewall Threat Defense Software IKEv2 Denial of Service Vulnerability
- Cisco Secure Firewall Management Center Software Remote Code Execution Vulnerability
- Cisco Secure Firewall Management Center Software SQL Injection Vulnerability
- Cisco Adaptive Security Appliance and Firepower Threat Defense Software Command Injection Vulnerability
- Cisco Secure Firewall Adaptive Security Appliance and Secure Firewall Threat Defense Software Lua Code Injection Vulnerability
- Cisco Secure Firewall Adaptive Security Appliance and Secure Firewall Threat Defense Software OSPF Protocol Vulnerabilities
- Cisco Secure Firewall Adaptive Security Appliance and Secure Firewall Threat Defense Software Access Control List Bypass Vulnerability
- Cisco Secure Firewall Adaptive Security Appliance and Secure Firewall Threat Defense Software VPN Web Services Cross-Site Scripting Vulnerability
- Cisco Secure Firewall Threat Defense Software TLS with Snort 3 Detection Engine Denial of Service Vulnerability
- Cisco Secure Firewall Adaptive Security Appliance and Secure Firewall Threat Defense Software VPN Web Server Denial of Service Vulnerability
- Cisco Secure Firewall Adaptive Security Appliance and Secure Firewall Threat Defense Software SAML Reflected Cross-Site Scripting Vulnerability
- Cisco Secure Firewall Adaptive Security Appliance and Secure Firewall Threat Defense Software Remote Access SSL VPN Denial of Service Vulnerabilities
- Cisco Secure Firewall Management Center and Secure Firewall Threat Defense Software Path Traversal Vulnerability
- Cisco Secure Firewall Threat Defense Software Snort Deep Inspection Bypass Vulnerability
- Cisco Secure Firewall Management Center Software Command Injection Vulnerability
Security Advisories, Responses and Notices
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Release and Compatibility
- Cisco Secure Firewall ASA Compatibility
- Cisco Secure Firewall Threat Defense Compatibility Guide
- Supported VPN Platforms, Cisco Secure Firewall ASA Series
- Cisco Firepower 4100/9300 FXOS Compatibility
- Cisco Secure Firewall Migration Tool Compatibility Guide
Compatibility Information
- Cisco Secure Firewall Management Center New Features by Release
- Cisco Secure Firewall ASA New Features by Release
- Cisco Secure Firewall Threat Defense/Firepower Hotfix Release Notes
- 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, 7.22(x)
- Release Notes for the Cisco Secure Firewall ASA, 9.22(x)
- Cisco Secure Firewall Threat Defense Release Notes, Version 7.7.x
- Cisco Firepower Release Notes, Version 7.0.x
- Cisco Secure Firewall Threat Defense Release Notes, Version 7.2.x
- Cisco Secure Firewall Threat Defense Release Notes, Version 7.6.x
- Cisco Secure Firewall Threat Defense Release Notes, Version 7.4.x
- Release Notes for Cisco Secure Firewall Threat Defense with Firewall Device Manager, Version 10
- Release Notes for Cisco Secure Firewall Threat Defense with Firewall Management Center, Version 10
- Cisco Secure Firewall Device Manager New Features by Release
Release Notes
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Reference
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FXOS
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Threat Defense
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ASA
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Translations
Command References
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Firepower
- Cisco FXOS Documentation
- Start Here: Cisco Firepower 4100
Documentation Roadmaps
- Cisco Secure Firewall Management Center Device Configuration Guide, 7.3
- Cisco Secure Firewall Management Center Feature Licenses
- Frequently Asked Questions (FAQ) about Cisco Secure Firewall Licensing
- Cisco FXOS Licenses
- Open Source Used In FXOS 2.8(1) (PDF)
- Open Source Used In FXOS Security Module 2.8(1) and Cisco ASA Series 9.14(1) (PDF)
- Open Source Used In Cisco FXOS Security Module 2.6(1) and Cisco ASA Series 9.12(x) (PDF)
- Open Source Used In Cisco FXOS Firepower Chassis Manager 2.6(1) (PDF)
- Open Source Used In Cisco FXOS 2.6(1) (PDF)
- Open Source Used In Cisco Firepower Version 6.2.3 (PDF)
- Open Source Used In Cisco FXOS Security Module 2.3(1) and Cisco ASA Series 9.9(x) (PDF)
- Open Source Used In Cisco FXOS Firepower Chassis Manager 2.3(1) (PDF)
- Open Source Used In Cisco FXOS 2.3(1) (PDF)
- Open Source Used In Cisco FXOS Security Module 2.2(x) and Cisco ASA Series 9.8(x) (PDF)
- Open Source Used In Cisco FXOS Firepower Chassis Manager 2.2(x) (PDF)
Licensing Information
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Design
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Install and Upgrade
- Migrating Check Point Firewall to Cisco Secure Firewall Threat Defense with the Migration Tool
- Cisco Secure Firewall ASA Upgrade Guide
- Cisco Secure Firewall Threat Defense Upgrade Guide for Management Center, Version 7.2.6–7.2.x
- Cisco Secure Firewall Threat Defense Upgrade Guide for Management Center, Version 7.4.1–7.4.x
- Migrating Fortinet Firewall to Cisco Multicloud Defense Using the Secure Firewall Migration Tool
- Migrating Microsoft Azure Native Firewall to Cisco Secure Firewall Threat Defense with the Secure Firewall Migration Tool
- Migrating an FDM-Managed Device 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 Fortinet 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 Cisco Secure Firewall ASA to Cisco Secure Firewall Threat Defense with the Migration Tool
- Migrating Palo Alto Networks Firewall to Cisco Multicloud Defense with the Migration Tool
- Migrating Check Point Firewall to Cisco Multicloud Defense Using the Secure Firewall Migration Tool
- Migrating Cisco Secure Firewall ASA to Cisco Multicloud Defense with the Migration Tool
- Cisco Firepower 4112, 4115, 4125, and 4145 Hardware Installation Guide
Install and Upgrade Guides
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Cisco Firepower 4150 Security Appliance
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Cisco Firepower 4125 Security Appliance
- Install FTD on 4100 Firepower Appliances
- Upgrade FTD HA via CLI Managed by FMC
- Upgrade the Firepower Extensible Operating System (FXOS) Using Firepower Chassis Manager
Install and Upgrade TechNotes
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Configuration
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Applicable to Multiple Models
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Cisco Firepower 4145 Security Appliance
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Cisco Firepower 4110 Security Appliance
- Configure and Troubleshoot SNMP on Firepower FDM
- Configure ISE Radius Authentication for Secure Firewall Chassis Manager (FCM)
- Configure LDAPS in FXOS
- Configure Firepower Chassis Manager Registration to a Smart Software Manager On-Prem
- FTD: How to enable TCP State Bypass Configuration using FlexConfig Policy
- Firepower eXtensible Operating System (FXOS) 2.2: Chassis Authentication and Authorization for remote management with ACS using TACACS+.
- Firepower eXtensible Operating System (FXOS) 2.2: Chassis Authentication and Authorization for remote management with ACS using RADIUS
- Firepower eXtensible Operating System (FXOS) 2.2: Chassis Authentication/Authorization for remote management with ISE using TACACS+
- Upgrade an ASA HA Pair on Firepower Appliances
Configuration Examples and TechNotes
- CLI Book 1: Cisco Secure Firewall ASA Series General Operations CLI Configuration Guide, 9.24
- ASDM Book 1: Cisco ASA Series General Operations ASDM Configuration Guide, 7.24
- ASDM Book 1: Cisco ASA Series General Operations ASDM Configuration Guide, 7.22
- CLI Book 1: Cisco Secure Firewall ASA Series General Operations CLI Configuration Guide, 9.22
- CLI Book 1: Cisco Secure Firewall ASA General Operations CLI Configuration Guide, 9.20
- ASDM Book 1: Cisco ASA General Operations ASDM Configuration Guide, 7.20
- Cisco Secure Firewall Management Center Device Configuration Guide, 7.6
- Cisco Firepower Threat Defense Configuration Guide for Firepower Device Manager, Version 7.0
- Cisco Secure Firewall Device Manager Configuration Guide, Version 7.2
- Cisco Secure Firewall Device Manager Configuration Guide, Version 7.3
- Cisco Secure Firewall Device Manager Configuration Guide, Version 7.4
- Cisco Secure Firewall Device Manager Configuration Guide, Version 7.6
- Cisco Secure Firewall Device Manager Configuration Guide, Version 7.7
- Cisco Secure Firewall Device Manager Configuration Guide, Version 10.x
- CLI Book 1: Cisco Secure Firewall ASA Series General Operations CLI Configuration Guide, 9.19
Configuration Guides
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Maintain and Operate
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Troubleshooting
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Cisco Firepower 4100 FXOS Faults and Error Messages
- Cisco Firepower 4100/9300 FXOS Faults and Error Messages, 2.17
- Cisco Firepower 4100/9300 FXOS Faults and Error Messages, 2.16
- Cisco Firepower 4100/9300 FXOS Faults and Error Messages, 2.14(1)
- Cisco Firepower 4100/9300 FXOS Faults and Error Messages, 2.12(1)
- Cisco Firepower 4100/9300 FXOS Faults and Error Messages, 2.11(1)
- Cisco Firepower 4100/9300 FXOS Faults and Error Messages, 2.10(1)
- Cisco Firepower 4100/9300 FXOS Faults and Error Messages, 2.9(1)
- Cisco Firepower 4100/9300 FXOS Faults and Error Messages, 2.8(1)
- Cisco Firepower 4100/9300 FXOS Faults and Error Messages, 2.6(1)
- Cisco FXOS Faults and Error Messages, 2.3(1)
- Cisco FXOS Faults and Error Messages, 2.2(2)
- Cisco FXOS Faults and Error Messages, 2.2(1)
- Cisco FXOS Faults and Error Messages, 2.1(1)
- Cisco FXOS Faults and Error Messages, 2.0(1)
- Cisco Secure Firewall Threat Defense Syslog Messages
- Cisco Secure Firewall ASA Series Syslog Messages
- Cisco Firepower 4100/9300 FXOS Faults and Error Messages, 2.18
- Cisco Firepower 4100/9300 FXOS Faults and Error Messages, 2.13
- Cisco Secure Firewall Migration Tool Error Messages
Error and System Messages
- Password Recovery Procedure For Firepower 9300/4100 Series Appliances
Password Recovery
- How to Search for a Specific OID on FXOS Platforms
- Clarifying the Firepower Threat Defense LINA process CPU utilization
Support FAQ
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Cisco Firepower 4110 Security Appliance
- Troubleshoot Firepower Threat Defense (FTD) Cluster
- Troubleshoot Unexpected Secure Firewall/Firepower Reboot
- Troubleshoot FXOS CPU for the Firepower 4100 and 9300 series
- Troubleshoot ASA Smart License on FXOS Firepower Appliances
- Perform a Complete Reimage for FXOS in Firepower 4100 and 9300 Series
- Troubleshoot Drain of FMC Unprocessed Events and Frequent Drain of Events Health Monitor Alerts
- Recover Logical Device Password from Chassis Manager
- Create and Manage Logical Devices in FXOS Chassis Manager
- Resolve Logrotation Failures Due to Permission Issues with Parent Directory of Logs
- Process Single Stream Large Session (Elephant Flow) by Firepower Services
- Guidelines for Downloading Data from the Firepower Management Center to Managed Devices
Troubleshooting TechNotes
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Literature
- Cisco Network Security Ordering Guide
Sales Resources
- The Future of the Firewall White Paper
White Papers
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Below are the models within the Cisco Firepower 4100 Series.
Unless specified, documentation for the Cisco Firepower 4100 Series is applicable to all models.
- Cisco Firepower 4110 Security Appliance (EOL)
- Cisco Firepower 4112 Security Appliance
- Cisco Firepower 4115 Security Appliance
- Cisco Firepower 4120 Security Appliance (EOL)
- Cisco Firepower 4125 Security Appliance
- Cisco Firepower 4140 Security Appliance (EOL)
- Cisco Firepower 4145 Security Appliance
- Cisco Firepower 4150 Security Appliance (EOL)
