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Cisco Secure Firewall Threat Defense
Troubleshooting TechNotes
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Apply Permanent Licenses in Air-Gapped Networks on FDM
20/Feb/2024
Attempt to Upgrade Firepower Devices Results in Failure "006_check_snort.sh"
20/Feb/2020
Calculate Access List Element (ACE) Count Using FMC CLI
23/Jul/2024
Change or Recover Password for FTD through FXOS Chassis Manager
16/Feb/2021
Clarify FTD Access Control Policy Rule Actions
24/Mar/2025
Clarify the Purpose of IP Address 203.0.113.x for the FTD Management Interface
31/Dec/2024
Collect Data for Root Cause Analysis of Software Traceback/Crash in Secure Firewall
25/Aug/2025
New
Collect Logs for Firepower Common Issues
29/Sep/2023
Collection of Core Files From a Firepower Threat Defense Device
03/Feb/2021
Configure BGP Multipath in Secure Firewall Threat Defense
19/Mar/2025
Configure Cisco RADKit Integration in FMC
19/Mar/2025
Configure Group Policy Assignment for SAML Using Secure Firewall and Microsoft Entra ID
04/Aug/2025
Configure Site-to-Site VPN on FTD Managed by FDM
27/Jun/2023
Configure Threat Detection for Remote Access VPN Services on Secure Firewall Device Manager
23/Jan/2025
Configure and Troubleshoot NTP Settings on Firepower Appliances
14/May/2025
Configure and Troubleshoot WCCP on FTD Using Predefined Template
18/Mar/2025
Configure and Verify Secure Firewall and Firepower Internal Switch Captures
07/Aug/2025
Updated
Create Python Script for Rest API Calls to FDM
04/Nov/2023
Customize Secure Client Icons with Secure Firewall Managed by FMC
20/Aug/2024
Demonstrate Navigation through Secure Firewall's API-Explorer
05/Dec/2023
Deploy FDM VM from Azure Marketplace Using Template
25/Jul/2024
Deploy Redundant Data-interface in Azure FTD Managed by CD-FMC
04/Oct/2023
Determine the Active Snort Version that Runs on Firepower Threat Defense (FTD)
17/Jul/2024
Firepower Data Path Troubleshooting Phase 8: Network Analysis Policy
08/Jul/2019
Firepower Data Path Troubleshooting Phase 7: Intrusion Policy
08/Jul/2019
Firepower Data Path Troubleshooting Phase 6: Active Authentication
08/Jul/2019
Firepower Data Path Troubleshooting Phase 5: SSL Policy
08/Jul/2019
Firepower Data Path Troubleshooting Phase 4: Access Control Policy
27/Jun/2019
Firepower Data Path Troubleshooting Phase 3: Security Intelligence
08/Jul/2019
Firepower Data Path Troubleshooting Phase 2: DAQ Layer
08/Jul/2019
Firepower Data Path Troubleshooting Phase 1: Packet Ingress
08/Jul/2019
Firepower Data Path Troubleshooting: Overview
08/Jul/2019
Firepower Management Center: Display Access Control Policy Hit Counters
19/Oct/2017
Firepower Threat Defense Transparent Firewall Mode Advanced Concepts and Troubleshooting Tips
19/May/2020
Guidelines for Downloading Data from the Firepower Management Center to Managed Devices
12/Sep/2017
How to Determine Traffic Handled by a Specific Snort Instance
27/Jul/2017
Identify Linux Processes and Cores with High CPU in FTD
19/Mar/2025
Identify and Analyze FTD Failover Events on FMC
10/Oct/2023
Implement Platform Settings for VPN Troubleshooting
27/Jul/2023
Know the Basics of Voice over IP Protocols for Secure Firewall
06/Aug/2025
Migrate ASA to Firepower Threat Defense (FTD) Using FMT
30/Jan/2025
Migrate Paloalto to Firepower Threat Defense Using FMT
19/Mar/2025
Process Single Stream Large Session (Elephant Flow) by Firepower Services
08/Jan/2019
Programmatic Approach To Optimize Remote Access VPN Setup through Data Analytics
07/Jul/2020
Recommendations Against Password Spray Attacks Aimed at Remote Access VPN Services in Secure Firewall
26/Oct/2024
Troubleshoot Certificate Error "Identity certificate import required" on FMC
29/Jul/2020
Troubleshoot EIGRP on FTD Devices
21/Oct/2024
Troubleshoot Firepower Threat Defense IGMP and Multicast Basics
19/May/2022
Troubleshoot Firepower Threat Defense Routing
30/Jul/2024
Troubleshoot Firepower Threat Defense and ASA Multicast PIM
27/Apr/2023
Troubleshoot OSPF Configuration in FTD
14/Feb/2024
Troubleshoot Object Creation Using FMC API Explorer
26/Jun/2025
Troubleshoot Secure Firewall Smart Licensing Out-of-Compliance Errors
10/Jan/2024
Troubleshoot Traffic Drops Due to LINA Protocol Inspection on FTD
26/Mar/2025
Troubleshoot an Unresponsive Cisco Secure Firewall
17/Jul/2025
Understand Failover Status Messages for FTD
10/Jun/2025
Understand Firepower Models, Managers, and Log in Commands
28/Sep/2023
Understand IKEv2 Crypto Map Backup Peers on Secure Firewall
27/Jul/2023
Understand Rebranding Device Outputs to Cisco Secure Firewall
20/Mar/2025
Understand Snort 3 Rule Profiling and CPU Profiling on FMC GUI
17/Jan/2025
Understand the First Responder Program
07/May/2024
Understanding Different Memory Elements of ASA/FTD
29/Jan/2025
Verify Firepower Software Versions
04/Aug/2025
Verify Firepower, Instance, Availability, Scalability Configuration
04/Aug/2025
Verify Updates Version on Firepower Command Line Interface (CLI)
05/Oct/2023
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