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Re: IP Chains question



On Thu, 31 Jan 2002 09:08:45 -0500 (EST), Matt Kopishke <kopishke@BlueNoteTechnology.com> wrote:

> I have set up a firewall using ipchains and the bridge patch
> (bridgein) under potato (2.2.19).  The one snag I had was although the
> firewall works well only letting the world see certain ports (80 & 443),
> it doesn't let the servers behind the firewall get out.  I set up a rule
> that allows all traffic that originated behind the firewall out, but
> because we only have a couple of ports open, and we have no clue what port
> the reply packets are going to come on, the reply packets get denied.
> 
> I was wondering if there is any way to mark out going packets so we can
> let them through on their way back?

Yea, it's called iptables/netfilter (kernel 2.4.x).

-- 
Eric G. Miller <egm2@jps.net>



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