Fwd: SSH and Firewalls?

[jtannenba]

I think you meant this to go to the plug list...
Joe

--- Steve Holmes <steve@holmesgrown.com> wrote:
> From: Steve Holmes <steve@holmesgrown.com>
> To: speakup@braille.uwo.ca
> Subject: SSH and Firewalls?
> Date: Tue, 11 Jun 2002 07:07:39 -0700
> 
> Question about running ssh over a masqueraded
> network:
> 
> I have a linux box that serves as the "point"
> machine for my network
> on which I forward ports with ipchains (2.2 kernel)
> to to inside
> amachines which each run sshd.  My outside machine
> currently is not
> running ssh yet.  If the default policy on my input
> chain is ACCEPT, I
> can successfully forward non standard ports through
> to specific
> machines an establish ssh sessions on them with no
> problems.  If I
> default the input chain to DENY, as is done in
> endoshield script, The
> connections time out and I cannot connect.  In both
> cases, I forward
> the same ports.
> 
> Bottom line, If I use endoshield and add on the
> ipfwadm commands to
> forward the ports mentioned above, connections time
> out; If I do not
> use endoshield but use a simpler script that
> basically leaves the
> input chain wide open, I can establish the ssh
> sessions - no problem.
> 
> Any ideas out there, dispite this confusing message?
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