Internet Packet Core Utility - IP Protocol
This page provides IP protocol information on the Internet Packet Core Utility IP protocol (IPCU) detected by the Netify DPI engine. Please see the IP protocol catalog for information on other IP protocols.
IPCU is Internet Packet Core Utility, a protocol associated with early ARPANET packet-switching node utility and diagnostic functions.
IP Protocol Details
- Name
- Internet Packet Core Utility
- Abbreviation
- IPCU
- Status
- Inactive
- IANA Number
- 71
- IANA Keyword
- IPCU
- Network Policy
- Drop
- Reference
- Internet Packet Core Utility
IP Protocol Status - Inactive
IPCU is a 1980s-era ARPANET infrastructure protocol, and is historical, with no modern deployment.
IP Protocol Network Policy
IP protocol #71 - Internet Packet Core Utility - 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.