From owner-freebsd-net@FreeBSD.ORG  Tue Feb  8 16:53:31 2011
Return-Path: <owner-freebsd-net@FreeBSD.ORG>
Delivered-To: freebsd-net@freebsd.org
Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34])
	by hub.freebsd.org (Postfix) with ESMTP id 6841A106566B
	for <freebsd-net@freebsd.org>; Tue,  8 Feb 2011 16:53:31 +0000 (UTC)
	(envelope-from sem@FreeBSD.org)
Received: from sunner.semmy.ru (sunner.semmy.ru [IPv6:2a00:14d0:0:20::3])
	by mx1.freebsd.org (Postfix) with ESMTP id 15C118FC0A
	for <freebsd-net@freebsd.org>; Tue,  8 Feb 2011 16:53:31 +0000 (UTC)
Received: from dhcp170-205-red.yandex.net ([95.108.170.205])
	by sunner.semmy.ru with esmtpsa (TLSv1:CAMELLIA256-SHA:256)
	(Exim 4.74 (FreeBSD)) (envelope-from <sem@FreeBSD.org>)
	id 1Pmqoj-00057v-Jc; Tue, 08 Feb 2011 19:53:29 +0300
Message-ID: <4D51750A.3070303@FreeBSD.org>
Date: Tue, 08 Feb 2011 19:53:30 +0300
From: Sergey Matveychuk <sem@FreeBSD.org>
User-Agent: Mozilla/5.0 (Windows; U; Windows NT 6.1; ru;
	rv:1.9.2.13) Gecko/20101207 Thunderbird/3.1.7
MIME-Version: 1.0
To: Rozhuk.IM@gmail.com
References: <4D4DCD1E.1050906@freebsd.org>	<AANLkTimtDegcGjzXatEOHjQR9GM_hD29ZiKnkT-zG1_S@mail.gmail.com>	<4D4DFC95.9010804@freebsd.org>	<4D501198.6090901@FreeBSD.org>
	<4d516a6a.8937e30a.0996.2f26@mx.google.com>
In-Reply-To: <4d516a6a.8937e30a.0996.2f26@mx.google.com>
Content-Type: text/plain; charset=UTF-8; format=flowed
Content-Transfer-Encoding: 7bit
Cc: freebsd-net@freebsd.org
Subject: Re: divert rewrite
X-BeenThere: freebsd-net@freebsd.org
X-Mailman-Version: 2.1.5
Precedence: list
List-Id: Networking and TCP/IP with FreeBSD <freebsd-net.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-net>,
	<mailto:freebsd-net-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/freebsd-net>
List-Post: <mailto:freebsd-net@freebsd.org>
List-Help: <mailto:freebsd-net-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-net>,
	<mailto:freebsd-net-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Tue, 08 Feb 2011 16:53:31 -0000

08.02.2011 19:08, rozhuk.im@gmail.com wrote:
> Did you try ng_ether + ng_ksocket?
> It can translate Ethernet frames incapsulated to udp to user space receiver.

The idea is catch packets from firewall (ng_ipfw, ng_nat was mentioned 
by mistake) and pass them to user space module that do some processing 
and puts back the packets into firewall (for rules with `diverted' keyword).

It works now for IPv4 with `divert' and doesn't with IPv6.