Re: [cobalt-users] iptables and nat

[Gerald Waugh <gwaugh@xxxxxxxxxxxxxxxxxxxxxxx>]

On Sun, 16 Nov 2003, Gerald Waugh wrote:

> On Sun, 16 Nov 2003, josh wrote:
>
> > I am about to use a 550 for nat with iptables.
> >
> > Can someone either post, or give me a pointer if it has already been
> > posted, an example of how they modified /etc/rc.d/init.d/iptables to
> > enable nat if that is what  they did.
> >
> Don't modify /etc/rc.d/init.d/iptables
> It could be changed by updates etc.
> Active Monitor fools with the rules in that file also
>
> Make a little script or add to end of /etc/rc.d/rc.local
> #======================================================
> #Load the NAT module
> modprobe iptable_nat
> # Turn on IP forwarding
> echo 1 > /proc/sys/net/ipv4/ip_forward
> # MASQUERADE the connection
> iptables -t nat -A POSTROUTING -o eth1 -j MASQUERADE
> #=====================================================
>
> The above is a swag, it may get you startede.

On second thought, don't do that....
There are plenty of good documents on the Internet

http://www.netfilter.org is a good start

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