RFC 2400 · HISTORIC · 1998
SUN · 14 JUN 2026
Internet Official Protocol Standards
Overview
RFC 2400, “Internet Official Protocol Standards”, is a Historic document published in September 1998 by J. Postel, J. Reynolds. It obsoletes RFC 2300. It has been obsoleted by RFC 2500 — refer to the newer document for the authoritative version. The canonical text is published by the RFC Editor.
Abstract
This memo describes the state of standardization of protocols used in the Internet as determined by the Internet Architecture Board (IAB). This memo is an Internet Standard. [STANDARDS-TRACK]
What “Historic” means
A specification that has been superseded or is otherwise no longer recommended for use.
Read this RFC
The canonical text of RFC 2400 is hosted at rfc-editor.org. Available in TXT,HTML.
Relationships to other RFCs
Other RFCs from 1998
- RFC 2401 Security Architecture for the Internet Protocol
- RFC 2398 Some Testing Tools for TCP Implementors
- RFC 2402 IP Authentication Header
- RFC 2397 The "data" URL scheme
- RFC 2403 The Use of HMAC-MD5-96 within ESP and AH
- RFC 2396 Uniform Resource Identifiers : Generic Syntax
- RFC 2404 The Use of HMAC-SHA-1-96 within ESP and AH
- RFC 2395 IP Payload Compression Using LZS