IDPR-CMTP - IP Protocol

This page provides IP protocol information on the IDPR Control Message Transport Protocol (IDPR-CMTP) detected by the Netify DPI engine. Please see the IP protocol catalog for information on other IP protocols.

IDPR-CMTP is the IDPR Control Message Transport Protocol, the companion control-message channel used to support the Inter-Domain Policy Routing Protocol.

IP Protocol Details

Name
IDPR Control Message Transport Protocol
Abbreviation
IDPR-CMTP
Status
Inactive
IANA Number
38
IANA Keyword
IDPR-CMTP
Network Policy
Drop
Reference
IDPR-CMTP

IP Protocol Status - Inactive

IDPR-CMTP was part of the early-1990s IDPR research effort, and was experimental and has long been obsolete alongside IDPR itself.

IP Protocol Network Policy

IP protocol #38 - IDPR Control Message Transport 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.