rfc-4301
Security Architecture for the Internet Protocol
This document describes an updated version of the "Security Architecture for IP", which is designed to provide security services for traffic at the IP layer. This document obsoletes RFC 2401 (November 1998). [STANDARDS-TRACK]
obsoletes
- rfc-2401 — Security Architecture for the Internet Protocol
updated by
- rfc-6040 — Tunnelling of Explicit Congestion Notification
- rfc-7619 — The NULL Authentication Method in the Internet Key Exchange Protocol Version 2 (IKEv2)
updates
- rfc-3168 — The Addition of Explicit Congestion Notification (ECN) to IP