PIPE - IP Protocol

This page provides IP protocol information on the Private IP Encapsulation within IP IP protocol (PIPE) detected by the Netify DPI engine. Please see the IP protocol catalog for information on other IP protocols.

PIPE is Private IP Encapsulation within IP, a proprietary IP-in-IP tunneling variant developed for private encapsulation use cases.

IP Protocol Details

Name
Private IP Encapsulation within IP
Abbreviation
PIPE
Status
Inactive
IANA Number
131
IANA Keyword
PIPE
Network Policy
Drop
Reference
PIPE

IP Protocol Status - Inactive

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

IP Protocol Network Policy

IP protocol #131 - Private IP Encapsulation within IP - 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.