From mboxrd@z Thu Jan  1 00:00:00 1970
From: Jason Opperisano <opie@817west.com>
Subject: Re: [Fwd: Server machines behind Firewall]
Date: Fri, 7 Jan 2005 10:43:41 -0500
Message-ID: <20050107154341.GA181@bender.817west.com>
References: <41DEA59E.F63D5C97@ita.org.mo>
	<20050107152755.GA49@bender.817west.com>
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On Fri, Jan 07, 2005 at 11:45:32PM +0800, edwardspl@ita.org.mo wrote:
> Jason Opperisano wrote:
> 
> > > Sorry, what useful about the following function ( command line ) ?
> > >
> > > > iptables -A FORWARD -i $EXT_IF -o $INT_IF -p tcp --syn -d $SRV1 \
> > > > ? --dport 80 -j ACCEPT
> >
> > um--it allows the packet through the FORWARD chain of the filter table.
> > remember--you're trying to build a firewall here.
> 
> So, must I enable this kind of function for using the Firewall ?

if you want your machine to be an actual firewall, yes.  if you're
building a NAT router--then no.

-j

--
"I bent my wookie."
        --The Simpsons