From owner-freebsd-net@freebsd.org Sun Sep 13 10:03:56 2020 Return-Path: Delivered-To: freebsd-net@mailman.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.nyi.freebsd.org (Postfix) with ESMTP id 46BF63D3D04 for ; Sun, 13 Sep 2020 10:03:56 +0000 (UTC) (envelope-from gbe@freebsd.org) Received: from smtp.freebsd.org (smtp.freebsd.org [96.47.72.83]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "smtp.freebsd.org", Issuer "Let's Encrypt Authority X3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4Bq4p411ZZz40S1; Sun, 13 Sep 2020 10:03:56 +0000 (UTC) (envelope-from gbe@freebsd.org) Received: from localhost (p4fd3acce.dip0.t-ipconnect.de [79.211.172.206]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) (Authenticated sender: gbe) by smtp.freebsd.org (Postfix) with ESMTPSA id BBEE418C4B; Sun, 13 Sep 2020 10:03:55 +0000 (UTC) (envelope-from gbe@freebsd.org) Date: Sun, 13 Sep 2020 12:03:55 +0200 From: Gordon Bergling To: "Bjoern A. Zeeb" Cc: freebsd-net@freebsd.org Subject: Re: IPv6 behind NAT Message-ID: <20200913100355.GA92586@lion.0xfce3.net> References: <20200912154231.GA27224@lion.0xfce3.net> <7CBF59D0-6A1C-45B3-A877-669D2B9A40C5@lists.zabbadoz.net> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <7CBF59D0-6A1C-45B3-A877-669D2B9A40C5@lists.zabbadoz.net> X-Url: X-Operating-System: FreeBSD 12.2-STABLE amd64 X-Host-Uptime: 11:59AM up 1 day, 15:22, 3 users, load averages: 0.26, 0.35, 0.45 X-BeenThere: freebsd-net@freebsd.org X-Mailman-Version: 2.1.33 Precedence: list List-Id: Networking and TCP/IP with FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 13 Sep 2020 10:03:56 -0000 On Sat, Sep 12, 2020 at 04:11:24PM +0000, Bjoern A. Zeeb wrote: > On 12 Sep 2020, at 15:42, Gordon Bergling wrote: > > Hi, > > > > does anyone know if it is possible to create an IPv6 tunnel via a > > tunnelbroker, > > Hurricane Electric for example, if the system is behind a NAT > > connection? > > See https://ipv6.he.net/certification/faq.php > > Search for the section labeled “Tunnel Broker” and read the notes. > > /bz Thanks for the link. I remember that I have read about ip protocol 41 somewhere else and the problem was, that my old EasyBox router can be configured to pass this protocol. Maybe I can upgrade the EasyBox to somewhat OpenWRT based. -- Gordon