From: Oliver Hartkopp <socketcan@hartkopp.net>
To: Andi Kleen <andi@firstfloor.org>
Cc: Michael Stone <michael@laptop.org>,
linux-kernel@vger.kernel.org, netdev@vger.kernel.org
Subject: Re: RFC: Network privilege separation.
Date: Thu, 08 Jan 2009 08:05:45 +0100 [thread overview]
Message-ID: <4965A5C9.9070201@hartkopp.net> (raw)
In-Reply-To: <20090108031042.GQ496@one.firstfloor.org>
Andi Kleen wrote:
> On Wed, Jan 07, 2009 at 09:31:11PM -0500, Michael Stone wrote:
>
>> * so far as I know, netfilter is only commonly used to filter IP traffic.
>> Can
>> I really use it to limit connections to abstract unix sockets?
>>
>
> No you can't. But is that really your requirement? Why limiting Unix
> sockets and not e.g. named pipes? Unix sockets do not talk to the network.
>
> I suppose I don't understand your requirements very well.
>
I think it would be very interesting for PF_CAN sockets also.
CAN has no IP at all and the suggested idea of 'self-limiting' a user
process to use only the already open sockets could be a way to address
the use-cases Michael stated in his RFC.
Regards,
Oliver
next prev parent reply other threads:[~2009-01-08 7:05 UTC|newest]
Thread overview: 39+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-01-07 5:48 RFC: Network privilege separation Michael Stone
2009-01-07 5:48 ` [PATCH] Security: Implement and document RLIMIT_NETWORK Michael Stone
2009-01-07 11:47 ` Evgeniy Polyakov
2009-01-07 16:52 ` Rémi Denis-Courmont
2009-01-07 17:48 ` Evgeniy Polyakov
2009-01-07 20:54 ` Rémi Denis-Courmont
2009-01-07 21:42 ` Evgeniy Polyakov
2009-01-07 18:35 ` C. Scott Ananian
2009-01-07 19:02 ` Evgeniy Polyakov
2009-01-07 19:39 ` Evgeniy Polyakov
2009-01-07 21:07 ` Michael Stone
2009-01-07 21:59 ` Evgeniy Polyakov
2009-01-08 0:56 ` Michael Stone
2009-01-08 4:27 ` Evgeniy Polyakov
2009-01-08 1:22 ` James Morris
2009-01-08 3:34 ` Michael Stone
2009-01-07 21:10 ` RFC: Network privilege separation Andi Kleen
2009-01-08 2:31 ` Michael Stone
2009-01-08 3:10 ` Andi Kleen
2009-01-08 4:51 ` Michael Stone
2009-01-08 5:41 ` Andi Kleen
2009-01-08 7:05 ` Oliver Hartkopp [this message]
2009-01-08 7:52 ` david
2009-01-08 10:43 ` Alan Cox
2009-01-12 18:44 ` Valdis.Kletnieks
2009-01-12 19:09 ` Bryan Donlan
2009-01-12 19:43 ` Andi Kleen
2009-01-12 19:47 ` Rémi Denis-Courmont
2009-01-12 20:14 ` Andi Kleen
2009-01-12 20:15 ` Rémi Denis-Courmont
2009-01-12 20:27 ` Evgeniy Polyakov
2009-01-12 20:39 ` Andi Kleen
2009-01-12 20:30 ` Rémi Denis-Courmont
2009-01-12 20:55 ` Andi Kleen
2009-01-12 20:47 ` Rémi Denis-Courmont
2009-01-12 21:50 ` Andi Kleen
2009-01-13 8:06 ` Rémi Denis-Courmont
-- strict thread matches above, loose matches on Subject: below --
2009-01-08 12:08 Herbert Xu
2009-01-08 12:10 Herbert Xu
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