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Message-Id: <1243934530.8439.4.camel@Maple>
Date: Tue, 02 Jun 2009 09:22:10 +0000
From: John Dykstra <john.dykstra1@...il.com>
To: David Miller <davem@...emloft.net>
Cc: brian.haley@...com, dada1@...mosbay.com, nicolas.dichtel@...nd.com,
fw@...len.de, netdev@...r.kernel.org
Subject: Re: [PATCH] ipv4/ipv6: check hop limit field on input
On Mon, 2009-06-01 at 19:02 -0700, David Miller wrote:
> And I even remember there are applications that use multicast and
> a hop limit of zero explicitly to keep application traffic only on
> the local subnet. So any change like that proposed could break
> things.
Are you thinking of multicast apps that explicitly set a hop limit, or Multicast
Listener Discovery? The hop limit specified for MLDv2 messages is one,
not zero.
-- John
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