From mboxrd@z Thu Jan 1 00:00:00 1970 From: Dan Williams Subject: Re: [PATCH] ipv6: don't accept multicast traffic with scop 0 Date: Mon, 11 Feb 2013 16:49:13 -0600 Message-ID: <1360622953.8633.36.camel@dcbw.foobar.com> References: <20130210124851.GB18219@order.stressinduktion.org> <20130211194835.GD23991@order.stressinduktion.org> <20130211.145252.603354702530166412.davem@davemloft.net> <1360621271.2701.20.camel@bwh-desktop.uk.solarflarecom.com> Mime-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 7bit Cc: David Miller , hannes@stressinduktion.org, netdev@vger.kernel.org, yoshfuji@linux-ipv6.org, erik.hugne@ericsson.com To: Ben Hutchings Return-path: Received: from mx1.redhat.com ([209.132.183.28]:53532 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932777Ab3BKWtY (ORCPT ); Mon, 11 Feb 2013 17:49:24 -0500 In-Reply-To: <1360621271.2701.20.camel@bwh-desktop.uk.solarflarecom.com> Sender: netdev-owner@vger.kernel.org List-ID: On Mon, 2013-02-11 at 22:21 +0000, Ben Hutchings wrote: > On Mon, 2013-02-11 at 14:52 -0500, David Miller wrote: > > From: Hannes Frederic Sowa > > Date: Mon, 11 Feb 2013 20:48:35 +0100 > > > > > On Sun, Feb 10, 2013 at 01:48:51PM +0100, Hannes Frederic Sowa wrote: > > >> + /* > > >> + * RFC4291 2.7 > > >> + * Nodes must not originate a packet to a multicast address whose scop > > >> + * field contains the reserved value 0; if such a packet is received, it > > >> + * must be silently dropped. > > > > > > Just nit-picking: The field is actually called scop without e, as pointed out > > > by three erratas to RFC4291. :) > > > > That's funny because I added the 'e' to your patches while applying > > them, it just looks completely stupid to refer to this things as > > 'scop'. > > It seems to be a long Unix tradition to creat names with trailing silent > vowels removed; this is hardly uniq. You had to buy vowels from Pat back then, and people were stingy with their hard-earned money. And then if you got the vowel wrong it was no longer your turn. So understandably people were reluctant to use vowels much. Dan