Simple Multicast Protocol
This page provides IP protocol information on the Simple Multicast Protocol (SM) detected by the Netify DPI engine. Please see the IP protocol catalog for information on other IP protocols.
SM is the Simple Multicast Protocol, a proposed multicast routing scheme intended to be simpler to deploy and manage than existing alternatives.
IP Protocol Details
- Name
- Simple Multicast Protocol
- Abbreviation
- SM
- Status
- Inactive
- IANA Number
- 122
- IANA Keyword
- SM
- Network Policy
- Drop
- Reference
- Simple Multicast Protocol
IP Protocol Status - Inactive
SM was proposed via an Internet-Draft in the late 1990s, and was never finalized as an RFC, and its IANA assignment has since been marked deprecated.
IP Protocol Network Policy
IP protocol #122 - Simple Multicast 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.