From owner-freebsd-net Fri Jan 3 7:42: 8 2003 Delivered-To: freebsd-net@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 4520A37B401 for ; Fri, 3 Jan 2003 07:42:05 -0800 (PST) Received: from boreas.isi.edu (boreas.isi.edu [128.9.160.161]) by mx1.FreeBSD.org (Postfix) with ESMTP id C8AEF43E4A for ; Fri, 3 Jan 2003 07:42:04 -0800 (PST) (envelope-from larse@ISI.EDU) Received: from isi.edu (c-24-130-112-121.we.client2.attbi.com [24.130.112.121]) by boreas.isi.edu (8.11.6/8.11.2) with ESMTP id h03FfnC29924; Fri, 3 Jan 2003 07:41:49 -0800 (PST) Message-ID: <3E15AF3C.5020105@isi.edu> Date: Fri, 03 Jan 2003 07:41:48 -0800 From: Lars Eggert Organization: USC Information Sciences Institute User-Agent: Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.3a) Gecko/20021212 X-Accept-Language: en-us, en MIME-Version: 1.0 To: Pekka Nikander Cc: Eric Masson , freebsd-net@FreeBSD.ORG Subject: Re: IPsec / ipfw interaction in 4.7-STABLE: a proposed change References: <3E144753.7020905@nomadiclab.com> <86k7hnz4hp.fsf@notbsdems.nantes.kisoft-services.com> <3E15604B.3040505@nomadiclab.com> In-Reply-To: <3E15604B.3040505@nomadiclab.com> Content-Type: multipart/signed; protocol="application/x-pkcs7-signature"; micalg=sha1; boundary="------------ms080309020704020200050101" Sender: owner-freebsd-net@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.org This is a cryptographically signed message in MIME format. --------------ms080309020704020200050101 Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit On 1/3/2003 2:04 AM, Pekka Nikander wrote: > > Well, IMHO the best way would be to have a separate interface > for each tunnel end point. That would allow most fine grained > control, and would be easiest to understand. Take a look at the draft-touch-ipsec-vpn-04.txt ID ; if you can use the approach we describe there (IPIP tunnels + IPsec transport mode), you get this functionality free, because rcvif will be the IPIP tunnel a packet came in on. 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