linux-kernel - Re: [PATCH] make ipv4 multicast packets only get delivered to sockets that are joined to group

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Message-ID: <OFD3BF4B0D.1F917BE2-ON882571E8.00716451-882571E8.0071B6B7@us.ibm.com>
Date:	Wed, 13 Sep 2006 13:42:02 -0700
From:	David Stevens <dlstevens@...ibm.com>
To:	Alexey Kuznetsov <kuznet@....inr.ac.ru>
Cc:	Jeff Layton <jlayton@...chiereds.net>,
	linux-kernel@...r.kernel.org, netdev@...r.kernel.org,
	netdev-owner@...r.kernel.org
Subject: Re: [PATCH] make ipv4 multicast packets only get delivered to sockets	that
 are joined to group

Alexey Kuznetsov <kuznet@....inr.ac.ru> wrote on 09/13/2006 01:20:29 PM:

> Hello!
> 
> > IPv6 behaves the same way.
> 
> Actually, Linux IPv6 filters received multicasts, inet6_mc_check() does
> this.

        No, it returns 1 (allow) if there are no filters to explicitly
filter it. I wrote that code. :-)
                                                        +-DLS

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