lists.openwall.net   lists  /  announce  owl-users  owl-dev  john-users  john-dev  passwdqc-users  yescrypt  popa3d-users  /  oss-security  kernel-hardening  musl  sabotage  tlsify  passwords  /  crypt-dev  xvendor  /  Bugtraq  Full-Disclosure  linux-kernel  linux-netdev  linux-ext4  linux-hardening  linux-cve-announce  PHC 
Open Source and information security mailing list archives
 
Hash Suite: Windows password security audit tool. GUI, reports in PDF.
[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Message-ID: <Pine.LNX.4.63.0704201144160.4634@qynat.qvtvafvgr.pbz>
Date:	Fri, 20 Apr 2007 11:45:34 -0700 (PDT)
From:	David Lang <david.lang@...italinsight.com>
To:	Stephen Smalley <sds@...ho.nsa.gov>
cc:	Andi Kleen <andi@...stfloor.org>,
	Karl MacMillan <kmacmill@...hat.com>,
	David Safford <safford@...son.ibm.com>,
	James Morris <jmorris@...ei.org>,
	John Johansen <jjohansen@...e.de>,
	linux-kernel@...r.kernel.org,
	linux-security-module@...r.kernel.org,
	linux-fsdevel@...r.kernel.org
Subject: Re: AppArmor FAQ

On Thu, 19 Apr 2007, Stephen Smalley wrote:

> already happened to integrate such support into userland.
>
> To look at it in a slightly different way, the AA emphasis on not
> modifying applications could be viewed as a limitation.  Ultimately,
> users have security goals that go beyond just what the OS can directly
> enforce and at least some applications (notably things like X, D-BUS,
> PostgreSQL, etc) need to likewise support strong domain separation and
> controlled information flow through their own internal objects and
> operations.  SELinux provides APIs and infrastructure for such
> applications, and has already done quite a bit of work in that space
> (D-BUS support, XACE/XSELinux, SE-PostgreSQL), whereas AA seems to have
> no interest in going there (and would have to recant its emphasis on no
> application mods to do so).  If you actually want to truly confine a
> desktop application, you can't limit yourself to the kernel.  And the
   ^^^^^^^^^^^^^^^^^^^

> label model provides a unifying abstraction for dealing with all of
> these various objects, whereas the path/"natural abstraction" model has
> no unifying abstraction at all.


AA isn't aimed at confineing desktop applications. it's aimed at confining 
server applications. this really is a easier task (if it happens to be useful 
for some desktop apps as well, so much the better)

David Lang
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/

Powered by blists - more mailing lists

Powered by Openwall GNU/*/Linux Powered by OpenVZ