RFC 495 · UNKNOWN · 1973
SUN · 14 JUN 2026
Telnet Protocol specifications
Overview
RFC 495, “Telnet Protocol specifications”, is an Unknown document published in May 1973 by A.M. McKenzie. It obsoletes RFC 158. It has since been updated by RFC 562. 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 495 is hosted at rfc-editor.org. Available in TXT,HTML.
Relationships to other RFCs
Other RFCs from 1973