From owner-freebsd-net@freebsd.org Fri Jul 21 10:58:54 2017 Return-Path: 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 671C3DA40E3 for ; Fri, 21 Jul 2017 10:58:54 +0000 (UTC) (envelope-from m.muenz@spam-fetish.org) Received: from mailout-02.maxonline.de (mailout-02.maxonline.de [81.24.66.23]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 216F96BDFF for ; Fri, 21 Jul 2017 10:58:53 +0000 (UTC) (envelope-from m.muenz@spam-fetish.org) Received: from web03-01.max-it.de (web03-01.max-it.de [81.24.64.215]) by mailout-02.maxonline.de (Postfix) with ESMTPS id 331664C for ; Fri, 21 Jul 2017 12:58:45 +0200 (CEST) Received: from localhost (localhost [127.0.0.1]) by web03-01.max-it.de (Postfix) with ESMTP id 226F528B848 for ; Fri, 21 Jul 2017 12:58:45 +0200 (CEST) X-Virus-Scanned: Debian amavisd-new at web03-01.max-it.de Received: from web03-01.max-it.de ([127.0.0.1]) by localhost (web03-01.max-it.de [127.0.0.1]) (amavisd-new, port 10026) with ESMTP id lAU7xmmIuenM for ; Fri, 21 Jul 2017 12:58:44 +0200 (CEST) Received: from [81.24.66.132] (unknown [81.24.66.132]) (Authenticated sender: m.muenz@spam-fetish.org) by web03-01.max-it.de (Postfix) with ESMTPA id E84FF28B842 for ; Fri, 21 Jul 2017 12:58:44 +0200 (CEST) Subject: Re: NAT before IPSEC - reply packets stuck at enc0 To: freebsd-net@freebsd.org References: <459d59f7-2895-8aed-d547-be46a0fbb918@spam-fetish.org> <1c0de616-91ff-a6f9-d946-f098bc1a709f@spam-fetish.org> <911903d1-f353-d5d6-d400-d86150f88136@yandex.ru> <2d607e1a-a2c0-0f85-1530-c478962a76cd@spam-fetish.org> <3344e189-cdf0-a2c9-3a2a-645460866f2d@yandex.ru> <1279753e-9ad1-2c02-304e-5001e2bbc82f@spam-fetish.org> <15e6eb38-ef0c-7bfd-5f2c-d2acc8ea1af4@yandex.ru> From: "Muenz, Michael" Message-ID: Date: Fri, 21 Jul 2017 12:59:00 +0200 User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:52.0) Gecko/20100101 Thunderbird/52.2.1 MIME-Version: 1.0 In-Reply-To: <15e6eb38-ef0c-7bfd-5f2c-d2acc8ea1af4@yandex.ru> Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 7bit X-BeenThere: freebsd-net@freebsd.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Networking and TCP/IP with FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 21 Jul 2017 10:58:54 -0000 Am 19.07.2017 um 15:35 schrieb Andrey V. Elsukov: > > Check what you will see if you set net.enc.in.ipsec_bpf_mask=3. > You should see the reply two times, the second one should be with > translated address. > Googling around with "nat before ipsec" and freebsd shows many topics like this. It seems with 11.0 release there were some significant changes to enc which made this impossible. Michael