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Date:      Thu, 3 Jan 2002 14:41:41 -0800
From:      "Crist J. Clark" <cristjc@earthlink.net>
To:        Chris Appleton <appleton_chris@yahoo.com>
Cc:        freebsd-questions@FreeBSD.ORG
Subject:   Re: ipfw.rules
Message-ID:  <20020103144141.E236@gohan.cjclark.org>
In-Reply-To: <20020103153847.12460.qmail@web14808.mail.yahoo.com>; from appleton_chris@yahoo.com on Thu, Jan 03, 2002 at 07:38:47AM -0800
References:  <20020103153847.12460.qmail@web14808.mail.yahoo.com>

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On Thu, Jan 03, 2002 at 07:38:47AM -0800, Chris Appleton wrote:
> I'm struggling getting a simple ruleset working in a 4.4release bridge.
> 
> If I run just
>  allow ip from any to any  #things run well (of course).
> 
> But if I build:
>  allow tcp from any to any established
>  allow ip from a.b.c.d to any
>  deny ip from any to any  #http requests slow dramatically
> 
> am I missing something, like some 0.0.0.0 udp trick to allow arp
> packets (i've glaced but can't find the article anymore).  Is that
> something I need to do.

ARP is not UDP. ARPs will go through your bridge just fine.

> What it looks like is something between allowing any TCP and allowing
> any IP that I'm not doing.

But your problem probably is UDP related. Your delays may be due to
the fact you are blocking DNS queries.
-- 
"It's always funny until someone gets hurt. Then it's hilarious."

Crist J. Clark                     |     cjclark@alum.mit.edu
                                   |     cjclark@jhu.edu
http://people.freebsd.org/~cjc/    |     cjc@freebsd.org

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