From mboxrd@z Thu Jan 1 00:00:00 1970 From: "John A. Sullivan III" Subject: RE: static nat with iptables Date: Sun, 22 Feb 2004 23:34:55 -0500 Sender: netfilter-admin@lists.netfilter.org Message-ID: <1077510895.15548.3.camel@localhost> References: Mime-Version: 1.0 Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: Errors-To: netfilter-admin@lists.netfilter.org List-Help: List-Post: List-Subscribe: , List-Id: List-Unsubscribe: , List-Archive: Content-Type: text/plain; charset="us-ascii" To: Mussie Gebregziabiher , netfilter@lists.netfilter.org Perhaps I misunderstood the e-mail but is the address to which you are NATting on the same network as your public interface? I don't think 213.29.76.154/27 and 213.29.76.19/27 are on the same network - John On Sun, 2004-02-22 at 15:59, Mussie Gebregziabiher wrote: > Make sure that ip_forwarding is enabled. Not sure if it is enabled by > default. > > cat /etc/sysctl.conf > > # Controls IP packet forwarding > net.ipv4.ip_forward = 1 > > Good luck! > > -MGG > > -----Original Message----- > From: netfilter-admin@lists.netfilter.org > [mailto:netfilter-admin@lists.netfilter.org] On Behalf Of John Black > Sent: Sunday, February 22, 2004 10:13 AM > To: netfilter@lists.netfilter.org > Subject: Re: static nat with iptables > > is your eth0 ip address a static ip or dynamic? if it is static try this: > > iptables -A FORWARD -i eth1 -o eth0 -m state --state ESTABLISHED, RELATED -j > ACCEPT > iptables -A FORWARD -i eth0 -o eth1 -j ACCEPT > iptables -A FORWARD -j LOG > > iptables -t nat -A POSTROUTING -s 192.168.20.0/24 -o eth1 -j SNAT --to > 213.29.76.153 > > > Dear sir > Pls kindly help me > I have a private address like 192.168.20.19/24 and I have a public address > like 213.29.76.153/27 im going to translate (STATIC NAT) my private ip > address to public address (213.29.76.19) with iptables > Meanwhile my router is redhat linux 8.0 and have 2 network adapter like > below > Eth0 192.168.20.1 /24 (connect to private network) > Eth1 213.29.76.154 /27 (connected to internet ) > -- Open Source Development Corporation Financially Sustainable open source development http://www.opensourcedevelopmentcorp.com