From owner-freebsd-questions@FreeBSD.ORG  Wed Jul 14 15:28:56 2004
Return-Path: <owner-freebsd-questions@FreeBSD.ORG>
Delivered-To: freebsd-questions@freebsd.org
Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125])
	by hub.freebsd.org (Postfix) with ESMTP id 65E3116A4CE
	for <freebsd-questions@FreeBSD.org>;
	Wed, 14 Jul 2004 15:28:56 +0000 (GMT)
Received: from mproxy.gmail.com (rproxy.gmail.com [64.233.170.203])
	by mx1.FreeBSD.org (Postfix) with SMTP id 0E46743D1F
	for <freebsd-questions@FreeBSD.org>;
	Wed, 14 Jul 2004 15:28:51 +0000 (GMT)
	(envelope-from mtamizi@gmail.com)
Received: by mproxy.gmail.com with SMTP id d5so485377rng
	for <freebsd-questions@FreeBSD.org>;
	Wed, 14 Jul 2004 08:28:50 -0700 (PDT)
Received: by 10.38.207.41 with SMTP id e41mr89912rng;
        Wed, 14 Jul 2004 08:28:50 -0700 (PDT)
Message-ID: <f68a41604071408286f15fa71@mail.gmail.com>
Date: Wed, 14 Jul 2004 11:28:50 -0400
From: Matin Tamizi <mtamizi@gmail.com>
To: freebsd-questions@FreeBSD.org
Mime-Version: 1.0
Content-Type: text/plain; charset=US-ASCII
Content-Transfer-Encoding: 7bit
Subject: Prepocessing in ipfw
X-BeenThere: freebsd-questions@freebsd.org
X-Mailman-Version: 2.1.1
Precedence: list
List-Id: User questions <freebsd-questions.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-questions>,
	<mailto:freebsd-questions-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/freebsd-questions>
List-Post: <mailto:freebsd-questions@freebsd.org>
List-Help: <mailto:freebsd-questions-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-questions>,
	<mailto:freebsd-questions-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Wed, 14 Jul 2004 15:28:56 -0000

How can I use the preprocessing feature in ipfw to run incoming
packets through my own C program?  How can my C program communicate to
ipfw to drop (deny) and packet or connection?

Thank you,
Matin