Packet Radio Measurement - IP Protocol
This page provides IP protocol information on the Packet Radio Measurement IP protocol (PRM) detected by the Netify DPI engine. Please see the IP protocol catalog for information on other IP protocols.
PRM is Packet Radio Measurement, a protocol developed to collect performance and diagnostic data from early packet radio network experiments.
IP Protocol Details
- Name
- Packet Radio Measurement
- Abbreviation
- PRM
- Status
- Inactive
- IANA Number
- 21
- IANA Keyword
- PRM
- Network Policy
- Drop
- Reference
- Packet Radio Measurement
IP Protocol Status - Inactive
PRM is a 1980s-era research protocol tied to DARPA packet-radio networking experiments, and is historical, with no modern use.
IP Protocol Network Policy
IP protocol #21 - Packet Radio Measurement - 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.