SOCKS V5 Protocol extension for Multiple Firewalls Traversal

Document Type Expired Internet-Draft (aft WG)
Authors Makoto Kayashima  , Tsukasa Ogino  , Masato Terada  , Yoichi Fujiyama 
Last updated 1997-11-26
Stream Internet Engineering Task Force (IETF)
Intended RFC status (None)
Expired & archived
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Stream WG state WG Document
Document shepherd No shepherd assigned
IESG IESG state Expired
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This Internet-Draft is no longer active. A copy of the expired Internet-Draft can be found at


This document provides the extended specification of SOCKS Version 5 which enable to use multiple firewalls traversal. In this protocol, client does subnegotiation with all servers on the communication path, and each server relays the connection after subnegotiation.


Makoto Kayashima (
Tsukasa Ogino (
Masato Terada (
Yoichi Fujiyama (

(Note: The e-mail addresses provided for the authors of this Internet-Draft may no longer be valid.)