From: Andi Kleen <andi@firstfloor.org>
To: Valdis.Kletnieks@vt.edu
Cc: Alan Cox <alan@lxorguk.ukuu.org.uk>,
Michael Stone <michael@laptop.org>,
Andi Kleen <andi@firstfloor.org>,
linux-kernel@vger.kernel.org, netdev@vger.kernel.org
Subject: Re: RFC: Network privilege separation.
Date: Mon, 12 Jan 2009 20:43:33 +0100 [thread overview]
Message-ID: <20090112194333.GB23848@one.firstfloor.org> (raw)
In-Reply-To: <12821.1231785850@turing-police.cc.vt.edu>
> Yes, the network access part *is* something that should be part of a more
> general interface. Having said that, we currently are lacking a way for a
> *general user* program to say "I'm all set up, and would like to disavow any
> other further resource access (except maybe r/o access as "other" to file
> systems)".
seccomp does exactly that. It's quite obscure, but available in most
linux kernels. Basically it blocks everything except
read/write on already open file descriptors.
I always thought it would be nice if codecs (which tend
to be full of security holes) ran in such jails by default
-Andi
--
ak@linux.intel.com -- Speaking for myself only.
next prev parent reply other threads:[~2009-01-12 19:29 UTC|newest]
Thread overview: 39+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-01-07 5:48 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
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 [this message]
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
2009-01-08 12:08 Herbert Xu
2009-01-08 12:10 Herbert Xu
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