RFC 123 · UNKNOWN · 1971
MON · 15 JUN 2026
Proffered Official ICP
Overview
RFC 123, “Proffered Official ICP”, is an Unknown document published in April 1971 by S.D. Crocker. It updates RFC 98, RFC 101. It obsoletes RFC 66, RFC 80. It has since been updated by RFC 127, RFC 143, RFC 148. It has been obsoleted by RFC 165 — 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 123 is hosted at rfc-editor.org. Available in TXT,HTML.
Relationships to other RFCs
Other RFCs from 1971
- RFC 122 Network specifications for UCSB's Simple-Minded File System
- RFC 124 Typographical error in RFC 107
- RFC 121 Network on-line operators
- RFC 125 Response to RFC 86: Proposal for Network Standard Format for a Graphics Data Stream
- RFC 120 Network PL1 subprograms
- RFC 126 Graphics Facilities at Ames Research Center
- RFC 119 Network Fortran Subprograms
- RFC 127 Comments on RFC 123