Re: Routing the DNS Traffic via specific interface.

[Yann Lejeune <yann.lejeune+lartc@xxxxxxxxx>]

On 25 January 2012 08:41, Netravali Ganesh <gnetravali@xxxxxxxxxxxx> wrote:
> I have 2 interfaces eth0 and eth1 on the system connected to different subnets. I need to route all the outgoing DNS traffic of the system via eth1 interface. Pls let me know if below IPTABLES rules is proper way ?
>

Hi,
the "iptables -A FORWARD" authorizes or denies traffic only. There is
no impact on the routing of your traffic.

You want to perform a "policy based routing". Your policy is "All
UDP/53 traffic must use eth1 as outgoing interface". To achieve this,
have a look to iproute and the LARTC guide
    http://lartc.org/howto/
    http://lartc.linuxsystems.it/index.php/Main_Page

Regards,
			Yann.
--
To unsubscribe from this list: send the line "unsubscribe netfilter" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html