RFC 820 · HISTORIC · 1982
MON · 27 JUL 2026
Assigned numbers
Overview
RFC 820, “Assigned numbers”, is a Historic document published in August 1982 by J. Postel. It obsoletes RFC 790. It has been obsoleted by RFC 870 — refer to the newer document for the authoritative version. The canonical text is published by the RFC Editor.
Abstract
This RFC is an old version, see RFC 870.
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A specification that has been superseded or is otherwise no longer recommended for use.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 820 is hosted at rfc-editor.org. Available in TXT,HTML.
Relationships to other RFCs
Other RFCs from 1982
- RFC 819 The Domain Naming Convention for Internet User Applications
- RFC 821 Simple Mail Transfer Protocol
- RFC 818 Remote User Telnet service
- RFC 822 STANDARD FOR THE FORMAT OF ARPA INTERNET TEXT MESSAGES
- RFC 817 Modularity and efficiency in protocol implementation
- RFC 823 DARPA Internet gateway
- RFC 816 Fault isolation and recovery
- RFC 824 CRONUS Virtual Local Network