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Old 12-20-2007, 01:53 AM   #1
LQ Newbie
Registered: Nov 2006
Posts: 13

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iptables on SUSE

Dear All

SUSE server IP is,because my firewall just can do 1 to 1 NAT, I want to 1 WAN IP can use in 2 different LAN

I would like to ask if I want to set NAT function, is it must have 2 lan card?
Can I just configure it with 1 lan card??

because I just want to redirect port 80 to my web server

I have write a script but it is not work? where do I wrong?

Please advice


here is my script

#! /bin/bash

modprobe ip_nat_ftp
modprobe ip_tables

iptables -F
iptables -X
iptables -Z

iptables -t nat -F
iptables -t nat -X
iptables -t nat -Z

iptables -t mangle -F
iptables -t mangle -X
iptables -t mangle -Z

iptables -P INPUT ACCEPT

iptables -t nat -P INPUT ACCEPT
iptables -t nat -P OUTPUT ACCEPT
iptables -t nat -P FORWARD ACCEPT

iptables -t nat -A PREROUTING -p tcp --dport 80 -j DNAT --to
Old 12-21-2007, 12:29 PM   #2
LQ Newbie
Registered: Nov 2007
Posts: 10

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Try Shorewall

Not sure if it will help in this instance, but I have used Shorewall with great success and can say it definitely makes setting up iptables easy, just like their tagline says. It works these things out for you by setting up simples rules, definitely worth checking into. Good luck!


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