Firewall Wizards mailing list archives

Re: SSH through firewall


From: Kevin Steves <stevesk () sweden hp com>
Date: Fri, 9 Jul 1999 05:36:27 +0200 (CEST)

On Fri, 2 Jul 1999, Ginsberg Rainer (QI/INF4) * wrote:
: Do you think this is feasible with a non-transparent firewall? Do you know 
: a firewall that is capable of this?

There's a script written by Urban Kaveus called ssh-tunnel that uses the
ssh ProxyCommand feature to use a CONNECT proxy to connect to the ssh
server.  It was posted either here or to firewalls a year or two ago.
However, many CONNECT proxies are going to be restricted to only 443/tcp
and other "over SSL" ports.  For this reason, I suspect there's a lot of
non-HTTPS stuff listening on 443/tcp, including SSH servers.



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