iptables configuration problem

7 msg	pppconfig can't find internal modem.
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iptables configuration problem
\ Chuanwen Wu (13 May 2007)
. \ Fabio A Correa (13 May 2007)
. . \ Chuanwen Wu (14 May 2007)
. . . \ Norberto Bensa (14 May 2007)
. \ Norberto Bensa (14 May 2007)
. . \ Chuanwen Wu (14 May 2007)
. . . \ Norberto Bensa (14 May 2007)
. . . . \ Dan Farrell (14 May 2007)
. . . . . \ Chuanwen Wu (15 May 2007)
. . . . . . \ Dan Farrell (15 May 2007)
. . . . . . . \ Chuanwen Wu (15 May 2007)
. . . . . . . . \ Dan Farrell (15 May 2007)

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Subject:	iptables configuration problem
Group:	Gentoo-user
From:	Chuanwen Wu
Date:	13 May 2007

Hi,guys!
I use iptables to let the PCs in the subnet to connect the internet outside.

And i write a simple script,but it doesn't work:

#!/bin/sh
iptables -F
#Define packets from Internet server to Intranet
iptables -A FORWARD -d 198.168.1.0/24 -i eth0 -j ACCEPT
#Define packets from Intranet to Internet
iptables -A FORWARD -s 198.168.1.0/24 -i eth1 -j ACCEPT

Here is the result of iptables -L:

# iptables -L
Chain INPUT (policy ACCEPT)
target prot opt source destination

Chain FORWARD (policy DROP)
target prot opt source destination
ACCEPT all -- anywhere 198.168.1.0/24
ACCEPT all -- 198.168.1.0/24 anywhere

Chain OUTPUT (policy ACCEPT)
target prot opt source destination

The eth0 here has the real ip,and the eth1 have a subnet ip:192.168.1.21.
How to fix this problem?All I need now is just to let my office
machine to use the internet!
Thanks in advanced!!
--
wcw
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