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Subject: Re: prevent breaking a chroot() jail?
From: Martin Josefsson <gandalf@wlug.westbo.se>
To: David Wagner <daw@mozart.cs.berkeley.edu>
Cc: linux-kernel@vger.kernel.org
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On Fri, 2002-07-05 at 23:00, David Wagner wrote:

> Chroot is a lot better than nothing, but it doesn't provide a
> secure jail, especially not for root.  However, the following
> tools are intended to provide a secure jail, and may be of interest
> to you: SubDomain (http://www.immunix.org/subdomain.html), Janus
> (http://www.cs.berkeley.edu/~daw/janus/), and BSD's jail() system call
> come to mind.  Also, may I point you to the Linux Security Modules project
> (http://lsm.immunix.org/)?  I think you may find it of interest.

I havn't seen vserver mentioned in this thread.

http://www.solucorp.qc.ca/miscprj/s_context.hc

It disables a lot of capabilities (configurable) and other stuff.
Worth taking a look at.

-- 
/Martin

Never argue with an idiot. They drag you down to their level, then beat
you with experience.
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