From owner-freebsd-questions Wed Nov 28 20:15:53 2001 Delivered-To: freebsd-questions@freebsd.org Received: from marine.sonic.net (marine.sonic.net [208.201.224.37]) by hub.freebsd.org (Postfix) with SMTP id 5034D37B41B for ; Wed, 28 Nov 2001 20:15:48 -0800 (PST) Received: (qmail 16624 invoked from network); 29 Nov 2001 04:15:43 -0000 Received: from prop.sonic.net (208.201.224.193) by marine.sonic.net with SMTP; 29 Nov 2001 04:15:43 -0000 Received: from LUCKYVAIO (adsl-208-201-241-212.sonic.net [208.201.241.212]) by prop.sonic.net (8.11.6/8.8.5) with ESMTP id fAT4Fhx23166 for ; Wed, 28 Nov 2001 20:15:43 -0800 X-envelope-info: From: "Lucky Green" To: Subject: Status of IPV6/4 tunnels + IPSec? Date: Wed, 28 Nov 2001 20:15:33 -0800 Organization: Cypherpunks Jihad Message-ID: <001501c1788c$7d56a730$c33a080a@LUCKYVAIO> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit X-Priority: 3 (Normal) X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook, Build 10.0.3311 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2600.0000 Importance: Normal Sender: owner-freebsd-questions@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.ORG The gif(4) manpage as well as the various mailing list archives all seem to indicate that it is difficult and/or impossible to tunnel IPv6 over IPv4 with the IPv4 link being secured using IPSec. According to the KAME archives, the double layer of tunneling leads to problems, though details have been sparse. Has anybody here tried to tunnel IPv6 over IPv4 with IPSec? If so, what problems did you run into and did you find a workaround? Thanks in advance, --Lucky To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message