From: Andi Kleen <ak@suse.de>
To: Joshua Brindle <method@manicmethod.com>
Cc: Andrew Morton <akpm@linux-foundation.org>,
casey@schaufler-ca.com, torvalds@linux-foundation.org,
linux-security-module@vger.kernel.org,
linux-kernel@vger.kernel.org, James Morris <jmorris@namei.org>,
Paul Moore <paul.moore@hp.com>
Subject: Re: [PATCH] Version 3 (2.6.23-rc8) Smack: Simplified Mandatory Access Control Kernel
Date: Sun, 30 Sep 2007 19:39:57 +0200 [thread overview]
Message-ID: <200709301939.57542.ak@suse.de> (raw)
In-Reply-To: <46FFDCEF.20404@manicmethod.com>
> CIPSO is supported on SELinux as well.
That's no reason to extend that design mistake.
> It certainly has uses where IPSec
> is excessive. One example is someone I talked to recently that basically
> has a set of blade systems connected with a high speed backplane that
> looks like a network interface. CIPSO is useful in this case because
> they can't afford the overhead of IPSec but need to transfer the level
> of the connection to the other machines. The backplane is a trusted
> network and that isn't a dangerous assumption in this case.
If one of the boxes gets broken in all are compromised this way?
> CIPSO also lets systems like SELinux and SMACK talk to other trusted
> systems (eg., trusted solaris) in a way they understand.
Perhaps, but is the result secure? I have severe doubts.
> I don't
> regularly support CIPSO as I believe IPSec labeling is more useful in
> more situations but that doesn't mean CIPSO is never useful.
Security that isn't secure is not really useful. You might as well not
bother.
-Andi
next prev parent reply other threads:[~2007-09-30 17:40 UTC|newest]
Thread overview: 79+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-09-30 0:20 [PATCH] Version 3 (2.6.23-rc8) Smack: Simplified Mandatory Access Control Kernel Casey Schaufler
2007-09-30 8:16 ` Andrew Morton
2007-09-30 8:42 ` Andi Kleen
2007-09-30 17:14 ` Casey Schaufler
2007-09-30 17:34 ` Andi Kleen
2007-09-30 23:24 ` david
2007-09-30 17:29 ` Joshua Brindle
2007-09-30 17:39 ` Andi Kleen [this message]
2007-09-30 19:07 ` Theodore Tso
2007-09-30 20:05 ` Andi Kleen
2007-09-30 20:22 ` Theodore Tso
2007-10-01 20:28 ` Casey Schaufler
2007-09-30 20:18 ` Paul Moore
2007-09-30 9:53 ` Christoph Hellwig
2007-09-30 17:19 ` Casey Schaufler
2007-10-02 8:36 ` Thomas Bleher
2007-09-30 17:02 ` Casey Schaufler
2007-09-30 20:30 ` Paul Moore
2007-10-01 11:33 ` James Morris
2007-10-01 15:07 ` Linus Torvalds
2007-10-01 15:40 ` Stephen Smalley
2007-10-01 16:04 ` Linus Torvalds
2007-10-01 17:54 ` Olivier Galibert
2007-10-02 21:02 ` Bill Davidsen
2007-10-02 21:20 ` Linus Torvalds
2007-10-02 23:25 ` Linus Torvalds
2007-10-03 0:12 ` Alan Cox
2007-10-04 22:56 ` Derek Fawcus
2007-10-04 23:18 ` Chuck Ebbert
2007-10-04 23:44 ` Derek Fawcus
2007-10-03 5:32 ` Crispin Cowan
2007-10-03 3:54 ` Bill Davidsen
2007-10-03 4:52 ` Linus Torvalds
2007-10-05 1:44 ` Eric W. Biederman
2007-10-05 3:04 ` Kyle Moffett
2007-10-05 4:45 ` Eric W. Biederman
2007-10-05 5:48 ` Kyle Moffett
2007-10-05 16:27 ` Casey Schaufler
2007-10-05 18:42 ` Stephen Smalley
2007-10-05 20:08 ` Casey Schaufler
2007-10-05 20:11 ` Eric W. Biederman
2007-10-08 17:50 ` Casey Schaufler
2007-10-08 18:47 ` Eric W. Biederman
2007-10-08 18:53 ` Serge E. Hallyn
2007-10-08 21:05 ` Casey Schaufler
2007-10-08 16:18 ` Serge E. Hallyn
2007-10-08 17:31 ` Casey Schaufler
2007-10-09 13:52 ` Stephen Smalley
2007-10-09 16:02 ` Casey Schaufler
2007-10-08 23:24 ` Bill Davidsen
2007-10-08 16:06 ` Serge E. Hallyn
2007-10-08 17:20 ` Eric W. Biederman
2007-10-08 18:00 ` Serge E. Hallyn
2007-10-08 19:29 ` Eric W. Biederman
2007-10-08 19:50 ` Eric W. Biederman
2007-10-08 20:39 ` Casey Schaufler
2007-10-08 21:02 ` Eric W. Biederman
2007-10-08 21:20 ` Alan Cox
2007-10-10 13:48 ` Eric W. Biederman
2007-10-10 15:45 ` Stephen Smalley
2007-10-10 17:57 ` Casey Schaufler
2007-10-11 10:46 ` Kyle Moffett
2007-10-11 15:41 ` Casey Schaufler
2007-10-11 18:53 ` Kyle Moffett
2007-10-11 20:09 ` Alan Cox
2007-10-08 21:51 ` Crispin Cowan
2007-10-30 4:01 ` Kazuki Omo(Company)
2007-10-30 15:07 ` Casey Schaufler
2007-10-08 20:25 ` Casey Schaufler
2007-10-08 20:57 ` Eric W. Biederman
2007-10-06 19:14 ` Bill Davidsen
2007-10-03 0:10 ` Alan Cox
2007-10-03 0:18 ` Linus Torvalds
2007-10-01 16:39 ` Casey Schaufler
2007-10-01 19:00 ` Theodore Tso
2007-10-01 15:38 ` Casey Schaufler
2007-10-01 20:49 ` Jan Engelhardt
2007-10-01 3:47 ` Serge E. Hallyn
2007-10-01 4:15 ` Casey Schaufler
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