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From: ebiederm-aS9lmoZGLiVWk0Htik3J/w@public.gmane.org (Eric W. Biederman)
To: Daniel Lezcano <dlezcano-NmTC/0ZBporQT0dZR+AlfA@public.gmane.org>
Cc: containers-qjLDD68F18O7TbgM5vRIOg@public.gmane.org
Subject: Re: [patch 0/2][NETNS49][IPV4][IGMP] activate multicast per namespace
Date: Fri, 12 Oct 2007 12:50:20 -0600	[thread overview]
Message-ID: <m17ils9ngz.fsf@ebiederm.dsl.xmission.com> (raw)
In-Reply-To: <20071012171013.105324992-WECHFHqYCmGD/CxQmPlnQ0FT0OZdM7KVQQ4Iyu8u01E@public.gmane.org> (Daniel Lezcano's message of "Fri, 12 Oct 2007 19:10:13 +0200")

Daniel Lezcano <dlezcano-NmTC/0ZBporQT0dZR+AlfA@public.gmane.org> writes:

> The following patches activate the multicast sockets for
> the namespaces. The results is a traffic going through 
> differents namespaces. So if there are several applications
> listenning to the same multicast group/port, running in
> different namespaces, they will receive multicast packets.

At a first glance this feels wrong.  I don't see any per
namespace filtering of multicast traffic.  Unless the
multicast traffic is routed/bridged between namespaces
it should be possible to send multicast traffic in one
namespace and listen for that same traffic in another
namespace and not get it.


Eric

  parent reply	other threads:[~2007-10-12 18:50 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-10-12 17:10 [patch 0/2][NETNS49][IPV4][IGMP] activate multicast per namespace Daniel Lezcano
2007-10-12 17:10 ` [patch 1/2][NETNS49][IPV4][IGMP] make igmp proc " Daniel Lezcano
2007-10-12 17:10 ` [patch 2/2][NETNS49][IPV4][IGMP] make igmp " Daniel Lezcano
     [not found] ` <20071012171013.105324992-WECHFHqYCmGD/CxQmPlnQ0FT0OZdM7KVQQ4Iyu8u01E@public.gmane.org>
2007-10-12 18:50   ` Eric W. Biederman [this message]
     [not found]     ` <m17ils9ngz.fsf-T1Yj925okcoyDheHMi7gv2pdwda3JcWeAL8bYrjMMd8@public.gmane.org>
2007-10-12 21:03       ` [patch 0/2][NETNS49][IPV4][IGMP] activate multicast " Daniel Lezcano
     [not found]         ` <470FE130.8040403-NmTC/0ZBporQT0dZR+AlfA@public.gmane.org>
2007-10-12 21:37           ` Eric W. Biederman
2007-10-15  8:31           ` [Devel] " Denis V. Lunev
     [not found]             ` <47132576.6020508-3ImXcnM4P+0@public.gmane.org>
2007-10-15 16:14               ` Daniel Lezcano
     [not found]                 ` <471391F1.4090804-NmTC/0ZBporQT0dZR+AlfA@public.gmane.org>
2007-10-15 18:03                   ` Eric W. Biederman

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