RFC 433 · UNKNOWN · 1972 MON · 14 SEP 2026

Socket number list

By J. Postel · Published December 1972 · DOI 10.17487/RFC0433

Overview

RFC 433, “Socket number list”, is an Unknown document published in December 1972 by J. Postel. It obsoletes RFC 349. It has been obsoleted by RFC 503 — 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.

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Relationships to other RFCs
This RFC obsoletes
RFC 349
Obsoleted by
RFC 503
Other RFCs from 1972