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Date: Sun, 20 Aug 2006 02:12:00 -0400
From: "SigmaX asdf" <fydernix@gmail.com>
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Subject: Re: Port forwarding with IPFW/NATD [SOLVED]
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Spoke too soon; figured it out not a minute later.  It seems to work
if I remove the divert rule for my server (10.0.0.2) from ipfw, and
leave the natd parameter.

SigmaX

On 8/20/06, SigmaX asdf <fydernix@gmail.com> wrote:
> I've setup a firewall box with IPFW and NATD with what the handbook
> had to offer on the subject, and now would like to get traffic
> forwarded to behind my shmancy new firewall.
>
> Google is purely confusing me on this one.  From what I understand I
> need to do one or more of the following:
>
> setup a divert rule for ipfw
> setup a fwd rule for ipfw
> setup a redirect_port rule for natd
> compile forwarding support into my kernel
>
> Somehow I doubt it's all of the above.  What am I supposed to do to
> allow port forwarding?
>
> Thanx for any pointers,
>   SigmaX
>
> >
> > # ipfw list
> > 00010 divert 8668 tcp from any to 10.0.0.2 dst-port 80
> > 00050 divert 8668 ip4 from any to any via rl0
> > 00100 allow ip from any to any via lo0
> > 00200 deny ip from any to 127.0.0.0/8
> > 00300 deny ip from 127.0.0.0/8 to any
> > 65000 allow ip from any to any
> > 65535 deny ip from any to any
> >
>
> Semi-relevant rc.conf options:
>
> >
> > gateway_enable="YES"
> > firewall_enable="YES"
> > firewall_type="open"
> > natd_enable="YES"
> > natd_interface="rl0"
> > natd_flags="-dynamic -m -f /etc/natd.conf"
> > ipfw_enable="YES"
> >
>
> natd.conf:
>
> >
> > redirect_port tcp 10.0.0.2:80 80
> >
> >
>