RFC 80 · UNKNOWN · 1970
MON · 15 JUN 2026
Protocols and Data Formats
Overview
RFC 80, “Protocols and Data Formats”, is an Unknown document published in December 1970 by E. Harslem, J.F. Heafner. It updates RFC 66. It has since been updated by RFC 93. It has been obsoleted by RFC 123 — refer to the newer document for the authoritative version. The canonical text is published by the RFC Editor.
What “Unknown” means
The standards-track status of this early RFC was never formally classified.
Read this RFC
The canonical text of RFC 80 is hosted at rfc-editor.org. Available in TXT,HTML.
Relationships to other RFCs
Other RFCs from 1970