Name: draft-fordh-ftp-ssl-firewall-05
Title: FTP/TLS Friendly Firewalls
State: Active
Authors: Paul Ford-Hutchinson
Group: Individual Submissions (none)
Date: 2004-08-13
This document discusses some of the issues with running FTP, secured with
TLS as defined in [FTP-TLS], through firewalls. FTP is known to be a bit of
a problem for firewalls (see [RFC 1579] for a discussion of normal FTP and
firewalls). Some of the problems have been fixed by adding intelligence
into the firewall. With secured FTP, where the control connection is
encrypted, some of these techniques fail. Whilst this document confines
itself to issues of FTP over TLS, the issues will probably be relevant for
most secured FTP protocols that conform to [RFC 2228]. Some of the
discussions will also be relevant to any protocol that firewalls do clever
things with.
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