RFC 768 · INTERNET STANDARD · 1980 MON · 14 SEP 2026

User Datagram Protocol

By J. Postel · Published August 1980 · DOI 10.17487/RFC0768

Overview

RFC 768, “User Datagram Protocol”, is an Internet Standard document published in August 1980 by J. Postel. It has since been updated by RFC 9868. The canonical text is published by the RFC Editor.

What “Internet Standard” means

A mature, widely-implemented specification that has completed the full IETF standards process — the highest maturity level on the standards track.

Read this RFC

The canonical text of RFC 768 is hosted at rfc-editor.org. Available in TXT,HTML.

Read on rfc-editor.org Plain text › HTML › IETF Datatracker › DOI link ›
Relationships to other RFCs
Updated by
RFC 9868
Other RFCs from 1980