RFC 4301 · PROPOSED STANDARD · 2005

Security Architecture for the Internet Protocol

Overview

RFC 4301, “Security Architecture for the Internet Protocol”, is a Proposed Standard document published in December 2005 by S. Kent, K. Seo. It updates RFC 3168. It obsoletes RFC 2401. It has since been updated by RFC 6040, RFC 7619. The canonical text is published by the RFC Editor.

Abstract

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]

Abstract as published in the RFC, via rfc-editor.org.

What “Proposed Standard” means

An entry-level standards-track specification: stable, peer-reviewed and a solid basis for implementation, though it may still evolve before becoming an Internet Standard.

Read this RFC

The canonical text of RFC 4301 is hosted at rfc-editor.org. Available in TXT,HTML.

Relationships to other RFCs
This RFC obsoletes
RFC 2401
This RFC updates
RFC 3168
Updated by
RFC 6040 RFC 7619
Other RFCs from 2005

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