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Date:      Tue, 14 Aug 2007 12:04:27 +0200
From:      Eric Masson <emss@free.fr>
To:        "Bjoern A. Zeeb" <bzeeb-lists@lists.zabbadoz.net>
Cc:        Mailing List FreeBSD Network <freebsd-net@FreeBSD.org>
Subject:   Re: pf rdr statement & ipsec processing interaction
Message-ID:  <86k5ryjutw.fsf@srvbsdnanssv.interne.kisoft-services.com>
In-Reply-To: <20070813091634.C87821@maildrop.int.zabbadoz.net> (Bjoern A. Zeeb's message of "Mon, 13 Aug 2007 09:17:33 %2B0000 (UTC)")
References:  <867inzn945.fsf@srvbsdnanssv.interne.kisoft-services.com> <20070813091634.C87821@maildrop.int.zabbadoz.net>

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"Bjoern A. Zeeb" <bzeeb-lists@lists.zabbadoz.net> writes:

Hello Bjoern & all,

> this is expected behavior. You want to read about the
> IPSEC_FILTERTUNNEL (fka. IPSEC_FILTERGIF) kernel option and
> enc(4).

I've compiled a new kernel with IPSEC_FILTERGIF, tcpdump now can see
unencrypted L2TP packets on external interfaces but rdr rule doesn't
have any effect.

Just to be sure, I added "device enc" to the kernel configuration and
changed the rdr rule to :
rdr on enc0 proto udp from any to ($ext_if) port 1701 -> 10.127.0.1 port 1701

But no success atm. Any idea ?

Regards

Éric Masson

-- 
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