From mboxrd@z Thu Jan 1 00:00:00 1970 From: varun_saa@vsnl.net Subject: NAT/MASQ on eth0 - doubt Date: Sun, 01 May 2005 11:14:07 +0500 Message-ID: <900a46901009.901009900a46@vsnl.net> Mime-Version: 1.0 Content-Transfer-Encoding: 7BIT Return-path: Content-language: en Content-disposition: inline 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="us-ascii" To: netfilter@lists.netfilter.org Hello, My server is on Mandriva 10.1 eth0 is WAN with static IP connected to 512K DSL eth1 is LAN - 192.168.0.0/24 and 192.168.21.0/24 I have used webmin and done : Do network address translation on external interface:eth0 This gives the following entries in iptables : # Generated by iptables-save v1.2.9 on Tue Apr 26 14:50:01 2005 *nat :OUTPUT ACCEPT [0:0] :PREROUTING ACCEPT [0:0] :POSTROUTING ACCEPT [0:0] -A POSTROUTING -o eth0 -j MASQUERADE So should I just masq all out ? Is it possible to use my static IP or subnets details to rewrite the above masq rule while I am doing a NAT on eth0 ? If yes how ? Thanks Varun