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Date: Sat, 2 Aug 2003 22:39:24 -0400 (EDT)
From: Mike Wade <mwade@bluehighway.net>
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To: Andy Gilligan <andy@evo6.org>
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cc: freebsd-net@freebsd.org
Subject: Re: ipfw2 mac address matching weirdness?
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On Sun, 3 Aug 2003, Andy Gilligan wrote:

> On Sun, Aug 03, 2003 at 01:31:23AM BST, Mike Wade wrote:
> > I'm running FreeBSD 4.8 RELEASE w/ IPFW2 support enabled.  I'm running
> > into some weirdness with the mac address matching feature or perhaps it's
> > my lack of understanding how it interacts with other rules. :)
> >
> > My goal is to transparently redirect everything except a few select MAC
> > addresses but it doesn't appear to work properly.  For example:
> >
> > net-ninja# ipfw list
> > 00001 skipto 65535 ip from any to any MAC any any in via sis0
> > 00002 fwd 127.0.0.1,8080 tcp from any to any dst-port 80 in via sis0
> > 65535 allow ip from any to any
> >
> > This should allow every MAC address to bypass the transparent redirect but
> > it doesn't.  If I change rule #1 to:
> >
> > 00001 skipto 65535 ip from any to any in via sis0
> >
> > Things work as advertised.  Any ideas?
>
> Try:
>
> sysctl net.link.ether.ipfw=1

Hmm, it was already set:

net-ninja# sysctl net.link.ether.ipfw
net.link.ether.ipfw: 1

---
Mike Wade (mwade@bluehighway.net)
Blue Highway Labs, LLC.