natd not doing anything

Micheal Patterson micheal at
Wed Sep 29 09:11:08 PDT 2004

----- Original Message ----- 
From: "Alex de Kruijff" <freebsd at>
To: "Micheal Patterson" <micheal at>
Cc: <sysadmin at>; <r.dridan at>;
<freebsd-questions at>
Sent: Wednesday, September 29, 2004 10:51 AM
Subject: Re: natd not doing anything


> This is not a problem. First ipfw and ipf are two different firewall
> rules. Its perfectly ok for one to deny everything by default and the
> other to accept everything. Also both firewalls can be used to gether.
> Secondly where one to set something like this for one firewall, then
> that firewall would most likly pick only one setting.
> He probly don't use ipf and thus can remove IPFILTHER lines. All this
> does is to make the kernel a bit smaller.
> -- 
> Alex
> Articles based on solutions that I use:

Oops.. my bad. I missed that it was IPFilter and IPFW. As for the double
nat, that can be an issue as I've recently had that exact same problem. If
his router / natd unit isn't configured to provide nat for the range he is
using, it will fail due to routing.


Micheal Patterson
Senior Communications Systems Engineer

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