From mboxrd@z Thu Jan 1 00:00:00 1970 From: Patrick Nelson Subject: Re: IP forwarding Date: Thu, 04 Aug 2005 09:22:38 -0700 Message-ID: <42F240CE.804@neatech.com> References: <286cf082050803183749d1f514@mail.gmail.com> Mime-Version: 1.0 Content-Transfer-Encoding: quoted-printable Return-path: In-Reply-To: <286cf082050803183749d1f514@mail.gmail.com> List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: netfilter-bounces@lists.netfilter.org Errors-To: netfilter-bounces@lists.netfilter.org Content-Type: text/plain; charset="iso-8859-1"; format="flowed" To: netfilter@lists.netfilter.org Ricardo J. M=E9ndez wrote: >Hi, > >I've got a network setup where the internal router is a Linux box >running iptables. External interface is eth0, internal eth1. I'm >attempting to forward an external IP address (say, 1.2.3.4) to an >internal machine. > >The rule I added is: > >iptables -t nat -A PREROUTING -d 1.2.3.4 -p tcp --dport 80 -j DNAT >--to 192.168.1.202 > >However, attempting to=20 > >telnet 1.2.3.4 80 > >does not work. It's clear that the rule is being applied, because the >web server running on the external machine is not responding unless I >telnet from the router itself, but unfortunately I'm not getting into >192.168.1.202 either. Attempting to > >telnet 192.168.1.202 80 > >does work as expected. > >What am I missing? Any pointers are welcome. Thanks, > > > >Ricardo J. M=E9ndez >http://ricardo.strangevistas.net/ > > =20 > Whats the Gateway set to on 192.168.1.202 80?