FIRE - IP Protocol

This page provides IP protocol information on the Flexible Intra-AS Routing Environment Protocol (FIRE) detected by the Netify DPI engine. Please see the IP protocol catalog for information on other IP protocols.

FIRE is a protocol registered with IANA in the early 1990s with limited surviving public documentation on its intended purpose or origin.

IP Protocol Details

Name
Flexible Intra-AS Routing Environment Protocol
Abbreviation
FIRE
Status
Inactive
IANA Number
125
IANA Keyword
FIRE
Network Policy
Drop
Reference
FIRE

IP Protocol Status - Inactive

FIRE is a little-documented protocol registration, and is historical, with no known modern deployment.

IP Protocol Network Policy

IP protocol #125 - Flexible Intra-AS Routing Environment Protocol - is typically dropped by edge routers and firewalls. Advanced threat actors and malware families can use these non-standard IP protocol numbers for lateral movement (east-west communication) inside internal networks.