Third Party Connect Protocol
This page provides IP protocol information on the Third Party Connect Protocol (3PC) detected by the Netify DPI engine. Please see the IP protocol catalog for information on other IP protocols.
3PC is the Third Party Connect Protocol, an experimental protocol intended to let a third party establish or mediate a connection between two other hosts.
IP Protocol Details
- Name
- Third Party Connect Protocol
- Abbreviation
- 3PC
- Status
- Inactive
- IANA Number
- 34
- IANA Keyword
- 3PC
- Network Policy
- Drop
- Reference
- Third Party Connect Protocol
IP Protocol Status - Inactive
3PC is a little-documented 1980s-era protocol registration, and is historical, with no known modern use.
IP Protocol Network Policy
IP protocol #34 - Third Party Connect 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.