ASA / FTD Syslog Lookup
Decode any Cisco ASA or FTD syslog message. Paste a raw log line, enter a message ID directly, or search by keyword. Each message includes the original Cisco documentation, a plain-English explanation, and a realistic example — covering all 4,075 messages across both platforms.
Option A
Paste a raw syslog line
Copy a line directly from your firewall — e.g.
%ASA-4-106023: Deny tcp src... — and paste it in the box. The ID is extracted automatically.Option B
Enter a message ID
Type a 6-digit ID like
106023, or use the FTD- prefix for FTD-specific messages. Press Enter or click Look Up.Option C
Search by keyword
Don't know the ID? Search terms like
teardown, deny, or failover to browse matching messages.
Try:
106023
302013
101002
111008
or search by keyword