From mboxrd@z Thu Jan  1 00:00:00 1970
From: "R. Sterenborg" <rsterenborg@xs4all.nl>
Subject: RE: Nat
Date: Sun, 8 Sep 2002 23:27:38 +0200
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> I tried these lines, but it doesn't work:
>
> iptables -t nat -F POSTROUTING
> iptables -t nat -A POSTROUTING -j DROP
> iptables -t nat -A POSTROUTING -s 192.168.1.0/255.255.255.0
> -o ppp0 -j
> MASQUERADE

Try :

iptables -P INPUT DROP
iptables -A INPUT -s 192.168.1.0/24 -j ACCEPT

iptables -P FORWARD DROP
iptables -A FORWARD -s 192.168.1.0/24 -o ppp0 -j ACCEPT
iptables -t nat -A POSTROUTING -s 192.168.1.0/24 -o ppp0 -j MASQUERADE


Rob