TCP FIN Only Flags
Last updated on:
In this page
About the rule
Rule Type
Standard
Rule Description
Detects TCP packets with only the FIN flag—anomalous traffic often linked to stealth scans or unusual session teardowns..
Severity
Trouble
Rule Requirement
Criteria
Action1: actionname = "DETECTION_ACTION_CISCO_TCP_FIN_ONLY_FLAG" select Action1.HOSTNAME,Action1.IDS_NAME,Action1.DEST_IP,Action1.TYPESOURCE,Action1.TYPEFACILITY,Action1.INTERFACE,Action1.USERNAME,Action1.MESSAGE
Detection
Execution Mode
realtime
Log Sources
Cisco
