RFC 4581 · PROPOSED STANDARD · 2006

Cryptographically Generated Addresses Extension Field Format

Overview

RFC 4581, “Cryptographically Generated Addresses Extension Field Format”, is a Proposed Standard document published in October 2006 by M. Bagnulo, J. Arkko. It updates RFC 3972. The canonical text is published by the RFC Editor.

Abstract

This document defines a Type-Length-Value format for Cryptographically Generated Address (CGA) Extensions. This document updates RFC 3972. [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 4581 is hosted at rfc-editor.org. Available in TXT,HTML.

Relationships to other RFCs
This RFC updates
RFC 3972
Other RFCs from 2006

Who Is Online

In total there are 54 users online: 0 registered, 49 guests and 5 bots.

Most users ever online was 1,226 on 13 Jun 2026, 3:56 am.

Bots: AhrefsBot Applebot Other Bot SemrushBot Sogou

Users active in the past 15 minutes. Total registered members: 354