You don't need to have iptables restart every time your IP changes.

As long as you don't specifically reference your external IP address in 
your firewall settings, but your external ethernet interface, you should 
be fine.

Ie, I'm running on a cablemodem, at the moment, with an IPtables firewall, 
and I haven't had to restart my firewall just because my IP changed.

On Wed, 31 Jul 2002, Hyung Kim wrote:

> Hello,
>  
> I just started using cablemodem with my linux box.  I configured
> iptables as my firewall.  I want iptables to restart everytime my isp
> reissues a new ip address.  My linux box is a gateway for my LAN.
> Thanks for any guidance on this.
>  
> Hyung
> 



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