RFC 1929 · PROPOSED STANDARD · 1996
SUN · 14 JUN 2026
Username/Password Authentication for SOCKS V5
Overview
RFC 1929, “Username/Password Authentication for SOCKS V5”, is a Proposed Standard document published in March 1996 by M. Leech. The canonical text is published by the RFC Editor.
Abstract
The protocol specification for SOCKS Version 5 specifies a generalized framework for the use of arbitrary authentication protocols in the initial socks connection setup. This document describes one of those protocols, as it fits into the SOCKS Version 5 authentication "subnegotiation". [STANDARDS-TRACK]
What “Proposed Standard” means
An entry-level standards-track specification: stable, peer-reviewed and a solid basis for implementation, though it may still evolve before becoming an Internet Standard.
Read this RFC
The canonical text of RFC 1929 is hosted at rfc-editor.org. Available in TXT,HTML.
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- RFC 1928 SOCKS Protocol Version 5
- RFC 1930 Guidelines for creation, selection, and registration of an Autonomous System
- RFC 1927 Suggested Additional MIME Types for Associating Documents
- RFC 1931 Dynamic RARP Extensions for Automatic Network Address Acquisition
- RFC 1926 An Experimental Encapsulation of IP Datagrams on Top of ATM
- RFC 1932 IP over ATM: A Framework Document
- RFC 1925 The Twelve Networking Truths
- RFC 1933 Transition Mechanisms for IPv6 Hosts and Routers