RFC 790 · HISTORIC · 1981
MON · 27 JUL 2026
Assigned numbers
Overview
RFC 790, “Assigned numbers”, is a Historic document published in September 1981 by J. Postel. It obsoletes RFC 776. It has been obsoleted by RFC 820 — refer to the newer document for the authoritative version. The canonical text is published by the RFC Editor.
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A specification that has been superseded or is otherwise no longer recommended for use.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 790 is hosted at rfc-editor.org. Available in TXT,HTML.
Relationships to other RFCs
Other RFCs from 1981
- RFC 789 Vulnerabilities of network control protocols: An example
- RFC 791 Internet Protocol
- RFC 788 Simple Mail Transfer Protocol
- RFC 792 Internet Control Message Protocol
- RFC 787 Connectionless data transmission survey/tutorial
- RFC 793 Transmission Control Protocol
- RFC 786 Mail Transfer Protocol: ISI TOPS20 MTP-NIMAIL interface
- RFC 794 Pre-emption