From owner-freebsd-net@freebsd.org  Wed Mar 15 13:10:55 2017
Return-Path: <owner-freebsd-net@freebsd.org>
Delivered-To: freebsd-net@mailman.ysv.freebsd.org
Received: from mx1.freebsd.org (mx1.freebsd.org
 [IPv6:2001:1900:2254:206a::19:1])
 by mailman.ysv.freebsd.org (Postfix) with ESMTP id 53906D0CCCB
 for <freebsd-net@mailman.ysv.freebsd.org>;
 Wed, 15 Mar 2017 13:10:55 +0000 (UTC) (envelope-from mike@sentex.net)
Received: from smarthost2.sentex.ca (smarthost2.sentex.ca
 [IPv6:2607:f3e0:80:80::2])
 (using TLSv1 with cipher DHE-RSA-CAMELLIA256-SHA (256/256 bits))
 (Client CN "smarthost.sentex.ca", Issuer "smarthost.sentex.ca" (not verified))
 by mx1.freebsd.org (Postfix) with ESMTPS id F06A21F73
 for <freebsd-net@freebsd.org>; Wed, 15 Mar 2017 13:10:54 +0000 (UTC)
 (envelope-from mike@sentex.net)
Received: from lava.sentex.ca (lava.sentex.ca [IPv6:2607:f3e0:0:5::11])
 by smarthost2.sentex.ca (8.15.2/8.15.2) with ESMTPS id v2FDArWR027011
 (version=TLSv1 cipher=DHE-RSA-CAMELLIA256-SHA bits=256 verify=NO)
 for <freebsd-net@freebsd.org>; Wed, 15 Mar 2017 09:10:53 -0400 (EDT)
 (envelope-from mike@sentex.net)
Received: from [IPv6:2607:f3e0:0:4:4d20:5672:d219:c811]
 ([IPv6:2607:f3e0:0:4:4d20:5672:d219:c811])
 by lava.sentex.ca (8.15.2/8.15.2) with ESMTP id v2FDApYR068741;
 Wed, 15 Mar 2017 09:10:52 -0400 (EDT) (envelope-from mike@sentex.net)
Subject: Re: pf bug with tun interfaces ?
To: Kristof Provost <kristof@sigsegv.be>
References: <1b605589-9642-ee92-fb9b-9ff5b4798316@sentex.net>
 <e1679f63-247c-1da6-8f57-30c5dd23304e@sentex.net>
 <AD6E6EB9-9FD8-4B9C-B401-2D750F17FA40@sigsegv.be>
Cc: "freebsd-net@freebsd.org" <freebsd-net@freebsd.org>
From: Mike Tancsa <mike@sentex.net>
Organization: Sentex Communications
Message-ID: <6582cf37-08b0-9083-0c3e-1396a885d005@sentex.net>
Date: Wed, 15 Mar 2017 09:10:51 -0400
User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:45.0) Gecko/20100101
 Thunderbird/45.8.0
MIME-Version: 1.0
In-Reply-To: <AD6E6EB9-9FD8-4B9C-B401-2D750F17FA40@sigsegv.be>
Content-Type: text/plain; charset=utf-8
Content-Transfer-Encoding: 8bit
X-Scanned-By: MIMEDefang 2.78
X-BeenThere: freebsd-net@freebsd.org
X-Mailman-Version: 2.1.23
Precedence: list
List-Id: Networking and TCP/IP with FreeBSD <freebsd-net.freebsd.org>
List-Unsubscribe: <https://lists.freebsd.org/mailman/options/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: <https://lists.freebsd.org/mailman/listinfo/freebsd-net>,
 <mailto:freebsd-net-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Wed, 15 Mar 2017 13:10:55 -0000

On 3/15/2017 4:28 AM, Kristof Provost wrote:
> I don’t see any obvious reason why that would happen.
> 
> Can you reduce this to a minimal test setup and include rc.conf, pf.conf, …
> with a bug report in bugzilla?

is it possible that its how OpenVPN sets up the tun interface ?
Otherwise nat via pf on ppp connections would not work either.

I will try and setup a most simple test vm

	---Mike


-- 
-------------------
Mike Tancsa, tel +1 519 651 3400
Sentex Communications, mike@sentex.net
Providing Internet services since 1994 www.sentex.net
Cambridge, Ontario Canada   http://www.tancsa.com/