You should use iptables.  RedHat 7.1 uses the 2.4 kernel, which uses iptable
and not ipchains.  You can load a module (or compile it in) to use ipchains
(translation if you will), but it hardly makes sense for developing a new
firewall (versus using an existing script).

Tom Veldhouse
veldy at veldy.net

----- Original Message -----
From: "H-P Christianson" <chri0704 at umn.edu>
To: <tclug-list at mn-linux.org>
Sent: Friday, August 03, 2001 1:41 PM
Subject: [TCLUG] ipchains and ssh


> Hello Linux users!  I am continuing work on my home project box and I want
> to use ipchains to make a sturdy firewall.  (RedHat 7.1).  I want to have
> default policy deny for the input chain, but allow a few things through.
> My question is, how do I let ssh connect to the X server?  I can ssh from
> another linux box with the firewall up, but if I try to run an X programs
I
> get a "can't connect to X" message.  Also, if anyone knows any good
> references for this kind of home firewalling, I'd be very interested.  All
> of the Howtos I've found deal with multiple boxes on a large commercial
> network.  Thanks in advance.
>
> Hans Christianson
>
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