SKIP - IP Protocol
This page provides IP protocol information on the Simple Key-Management for Internet Protocols (SKIP) detected by the Netify DPI engine. Please see the IP protocol catalog for information on other IP protocols.
SKIP is Simple Key-Management for Internet Protocols, an early key-management scheme for establishing IPsec security associations without prior negotiation.
IP Protocol Details
- Name
- Simple Key-Management for Internet Protocols
- Abbreviation
- SKIP
- Status
- Inactive
- IANA Number
- 57
- IANA Keyword
- SKIP
- Network Policy
- Drop
- Reference
- SKIP
IP Protocol Status - Inactive
SKIP was proposed by Sun Microsystems in the mid-1990s as an IPsec key-management alternative, and was largely superseded by IKE and is now historical.
IP Protocol Network Policy
IP protocol #57 - Simple Key-Management for Internet Protocols - 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.