RFC 2459 · PROPOSED STANDARD · 1999
MON · 27 JUL 2026
Internet X.509 Public Key Infrastructure Certificate and CRL Profile
Overview
RFC 2459, “Internet X.509 Public Key Infrastructure Certificate and CRL Profile”, is a Proposed Standard document published in January 1999 by R. Housley, W. Ford, W. Polk, D. Solo. It has been obsoleted by RFC 3280 — refer to the newer document for the authoritative version. The canonical text is published by the RFC Editor.
Abstract
This memo profiles the X.509 v3 certificate and X.509 v2 CRL for use in the Internet. [STANDARDS-TRACK]
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 2459 is hosted at rfc-editor.org. Available in TXT,HTML.
Relationships to other RFCs
Other RFCs from 1999
- RFC 2477 Criteria for Evaluating Roaming Protocols
- RFC 2480 Gateways and MIME Security Multiparts
- RFC 2481 A Proposal to add Explicit Congestion Notification to IP
- RFC 2482 Language Tagging in Unicode Plain Text
- RFC 2483 URI Resolution Services Necessary for URN Resolution
- RFC 2484 PPP LCP Internationalization Configuration Option
- RFC 2485 DHCP Option for The Open Group's User Authentication Protocol
- RFC 2486 The Network Access Identifier