[plug] Problem with gateway

[Dean Holland]

Hi Anthony,

Try that rule in the FORWARD chain. Packets that are destined to be
forwarded on do not traverse the INPUT or OUTPUT chains. Also make sure
/proc/sys/net/ipv4/ip_forward is still set to 1.

Dean

----- Original Message ----- 
From: <anthonyw at webace.com.au>
To: <plug at plug.linux.org.au>
Sent: Monday, February 16, 2004 5:53 PM
Subject: [plug] Problem with gateway


> i have an old pc set up as a gateway for my home. it is curently running
> redhat 9 using iptables to do masquerading. it has been working fine and i
> have not had any problems over the years but for some reason it has
> stopped forwarding traffic from the local network to the internet.
> I still have access to the the web via the proxy installed on the gateway
> but i cannot access any mail servers, i cant even ping any site on the
> internet.
>
> i modified iptables to log all packets from the local network to try and
> determine what was happening
> root]#iptables -I INPUT -s 192.168.0.0/24 -j LOG --log-prefix "LOCAL
> TRAFFIC:"
> But the only traffic logged is that destined for 192.168.0.1 (the
gateway).
> Does this mean that the gateway is not recieving the packets destined for
> the internet?
>
> i have not made any modifications to any configurations recently and i am
> at a loss as to why it has stopped working. Any help would be appreciated.
>
> Anthony
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