WESP - IP Protocol

This page provides IP protocol information on the Wrapped Encapsulating Security Payload IP protocol (WESP) detected by the Netify DPI engine. Please see the IP protocol catalog for information on other IP protocols.

WESP is Wrapped Encapsulating Security Payload, an ESP variant that lets middleboxes distinguish encrypted from unencrypted (integrity-only) IPsec traffic.

IP Protocol Details

Name
Wrapped Encapsulating Security Payload
Abbreviation
WESP
Status
Active
IANA Number
141
IANA Keyword
WESP
Reference
WESP

IP Protocol Status - Active

WESP was standardized in RFC 5840 (2010) to aid network monitoring of IPsec traffic, and is a niche supporting protocol with limited widespread deployment.

IP Protocol Network Policy

WESP lets middleboxes distinguish encrypted from integrity-only IPsec traffic, and is relevant only on networks doing IPsec traffic inspection alongside VPN gateways.