Return-path: Received: from out2-smtp.messagingengine.com ([66.111.4.26]:60145 "EHLO out2-smtp.messagingengine.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754689AbaH0Hig (ORCPT ); Wed, 27 Aug 2014 03:38:36 -0400 Received: from compute4.internal (compute4.nyi.internal [10.202.2.44]) by gateway2.nyi.internal (Postfix) with ESMTP id BAAFA20809 for ; Wed, 27 Aug 2014 03:38:35 -0400 (EDT) Message-ID: <1409125114.11976.14.camel@localhost> (sfid-20140827_093856_416669_0D037FD9) Subject: Re: [RFC] net: ipv4: drop unicast encapsulated in L2 multicast From: Hannes Frederic Sowa To: Johannes Berg Cc: linux-wireless@vger.kernel.org, netdev@vger.kernel.org Date: Wed, 27 Aug 2014 09:38:34 +0200 In-Reply-To: <1408642331.4388.2.camel@jlt4.sipsolutions.net> References: <1408641747-22199-1-git-send-email-johannes@sipsolutions.net> (sfid-20140821_192515_304437_37E734D5) <1408642331.4388.2.camel@jlt4.sipsolutions.net> Content-Type: text/plain; charset="UTF-8" Mime-Version: 1.0 Sender: linux-wireless-owner@vger.kernel.org List-ID: Hi Johannes, On Do, 2014-08-21 at 19:32 +0200, Johannes Berg wrote: > On Thu, 2014-08-21 at 19:22 +0200, Johannes Berg wrote: > > From: Johannes Berg > > > > RFC 1122 says that unicast packets encapsulated in broadcast > > link-layer packets should be dropped. Implement that, but also > > extend it to link-layer multicast packets. > > I cannot find anything equivalent in the IPv6 RFCs - anyone more > familiar with that who could help check for that? > > And if it's *not* in the IPv6 RFCs, how should we implement this? I haven't found anything, too. Should I bring this up with IETF? Bye, Hannes