From mboxrd@z Thu Jan  1 00:00:00 1970
From: Pascal Hambourg <pascal.mail@plouf.fr.eu.org>
Subject: Re: Can't get access remote LAN through firewall
Date: Sun, 15 Oct 2006 15:13:15 +0200
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Hello,

piraguasu a =E9crit :
>=20
> I have two LAN, both connected to Internet through proxy/firewall on=20
> Linux. One is my working LAN and other remote. I want to see internal=20
> machines of remote LAN from any computers of my LAN, for this I setup a=
=20
> tunnel and when the  firewall  is down in both LAN, all OK.
>=20
> When firewall is up, my problem is forwarding between tunnel device and=
=20
> internal card (eth1), I can't get pass through firewall, iptables rules=
=20
> don't work.

Does the FORWARD chain contains rules which accept packets between the=20
tunnel interface and the LAN interface in both directions ?

Something like :
iptables -A FORWARD -i eth1 -o tun0 -j ACCEPT
iptables -A FORWARD -i tun0 -o eth1 -j ACCEPT