RFC 1409 · EXPERIMENTAL · 1993
SUN · 14 JUN 2026
Telnet Authentication Option
Overview
RFC 1409, “Telnet Authentication Option”, is an Experimental document published in January 1993 by D. Borman. It has been obsoleted by RFC 1416 — refer to the newer document for the authoritative version. The canonical text is published by the RFC Editor.
Abstract
This memo defines an Experimental Protocol for the Internet community.
What “Experimental” means
Describes a specification that is part of a research or development effort, published so the community can gain experience with it.
Read this RFC
The canonical text of RFC 1409 is hosted at rfc-editor.org. Available in TXT,HTML.
Relationships to other RFCs
Other RFCs from 1993
- RFC 1408 Telnet Environment Option
- RFC 1410 IAB Official Protocol Standards
- RFC 1407 Definitions of Managed Objects for the DS3/E3 Interface Type
- RFC 1411 Telnet Authentication: Kerberos Version 4
- RFC 1406 Definitions of Managed Objects for the DS1 and E1 Interface Types
- RFC 1412 Telnet Authentication: SPX
- RFC 1405 Mapping between X.400 and Mail-11
- RFC 1413 Identification Protocol