From owner-freebsd-net@freebsd.org  Sat Mar 18 01:43:27 2017
Return-Path: <owner-freebsd-net@freebsd.org>
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 1E5C5D11ECA
 for <freebsd-net@mailman.ysv.freebsd.org>;
 Sat, 18 Mar 2017 01:43:27 +0000 (UTC)
 (envelope-from quartz@sneakertech.com)
Received: from douhisi.pair.com (douhisi.pair.com [209.68.5.179])
 (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 039381F30
 for <freebsd-net@FreeBSD.org>; Sat, 18 Mar 2017 01:43:26 +0000 (UTC)
 (envelope-from quartz@sneakertech.com)
Received: from [192.168.0.1] (pool-72-74-34-8.bstnma.fios.verizon.net
 [72.74.34.8])
 (using TLSv1 with cipher ECDHE-RSA-AES256-SHA (256/256 bits))
 (No client certificate requested)
 by douhisi.pair.com (Postfix) with ESMTPSA id 9645B3F502
 for <freebsd-net@FreeBSD.org>; Fri, 17 Mar 2017 21:43:25 -0400 (EDT)
Message-ID: <58CC90BC.3050508@sneakertech.com>
Date: Fri, 17 Mar 2017 21:43:24 -0400
From: Quartz <quartz@sneakertech.com>
MIME-Version: 1.0
To: freebsd-net@FreeBSD.org
Subject: Filtering multicast and/or 6to4?
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 <freebsd-net.freebsd.org>
List-Unsubscribe: <https://lists.freebsd.org/mailman/options/freebsd-net>,
 <mailto:freebsd-net-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/freebsd-net/>
List-Post: <mailto:freebsd-net@freebsd.org>
List-Help: <mailto:freebsd-net-request@freebsd.org?subject=help>
List-Subscribe: <https://lists.freebsd.org/mailman/listinfo/freebsd-net>,
 <mailto:freebsd-net-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Sat, 18 Mar 2017 01:43:27 -0000

After all these years, I'm still not 100% sure I understand multicast 
and 6to4. I'm trying to figure out when/why/if I should be filtering 
stuff, and in which direction(s). Is this the correct list to ask these 
sorts of questions?