Re: About Xen: maybe a reiterative question but ..

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To: L. V. Lammert <lvl@...>
Cc: Misc-Openbsd Listserv <misc@...>
Date: Wednesday, October 24, 2007 - 10:50 am

On Wed, Oct 24, 2007 at 08:31:26AM -0500, L. V. Lammert wrote:
| On Wed, 24 Oct 2007, Henning Brauer wrote:
|
| > * adam.getchell@gmail.com [2007-10-24 03:03]:
| > > Virtualization seems to have a lot of security benefits
| >
| > seems?
| > to whom?
| >
| Virtualization provides near absolute security - DOM0 is not visible to
| the user at all, only passing network traffic and handling kernel calls.
| The security comes about in that each DOMU is totally isolated from the
| the others, while the core DOM0 is isolated from any attacks.

This is the theory. In theory, there's no bugs in OpenBSD. In
practice, many of the commits to the tree are not new features/drivers
but actual bugfixes. Read the paper by Tavis Ormandy, referenced by
Theo. There is a real problem with virtualization. Until all bugs are
fixed, virtualization is worse than real hardware. And it'll be hard
to prove all the bugs are fixed.

Cheers,

Paul 'WEiRD' de Weerd

--

+++++++++++>-]<.>++[<------------>-]<+.--------------.[-]
http://www.weirdnet.nl/

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Messages in current thread:
Re: About Xen: maybe a reiterative question but .., Henning Brauer, (Wed Oct 24, 4:18 am)
Re: About Xen: maybe a reiterative question but .., L. V. Lammert, (Wed Oct 24, 9:31 am)
Re: About Xen: maybe a reiterative question but .., Dave Anderson, (Wed Oct 24, 11:45 am)
Re: About Xen: maybe a reiterative question but .., Lars Hansson, (Thu Oct 25, 12:50 am)
Re: About Xen: maybe a reiterative question but .., Henning Brauer, (Wed Oct 24, 11:12 am)
Re: About Xen: maybe a reiterative question but .., L. V. Lammert, (Wed Oct 24, 1:48 pm)
Re: About Xen: maybe a reiterative question but .. , Theo de Raadt, (Wed Oct 24, 2:03 pm)
Re: About Xen: maybe a reiterative question but .. , L. V. Lammert, (Wed Oct 24, 2:41 pm)
Re: About Xen: maybe a reiterative question but .., Darren Spruell, (Wed Oct 24, 3:27 pm)
Re: About Xen: maybe a reiterative question but .., Henning Brauer, (Wed Oct 24, 4:16 pm)
Re: About Xen: maybe a reiterative question but .., Jason Dixon, (Wed Oct 24, 4:37 pm)
Re: About Xen: maybe a reiterative question but .., Darren Spruell, (Wed Oct 24, 9:46 pm)
Re: About Xen: maybe a reiterative question but .. , Theo de Raadt, (Wed Oct 24, 3:46 pm)
Re: About Xen: maybe a reiterative question but .., L. V. Lammert, (Wed Oct 24, 4:31 pm)
Re: About Xen: maybe a reiterative question but .., Kevin Stam, (Wed Oct 24, 5:04 pm)
Re: About Xen: maybe a reiterative question but .., Lars Noodén, (Thu Oct 25, 2:14 am)
Re: About Xen: maybe a reiterative question but .., Richard Toohey, (Thu Oct 25, 3:28 am)
Re: About Xen: maybe a reiterative question but .., Richard Toohey, (Thu Oct 25, 3:37 am)
Re: About Xen: maybe a reiterative question but .., Douglas A. Tutty, (Thu Oct 25, 9:16 am)
Hardware support for secure virtualization (was: About Xen: ..., Rodrigo V. Raimundo, (Thu Oct 25, 6:50 am)
Re: About Xen: maybe a reiterative question but .., Lars Noodén, (Thu Oct 25, 4:00 am)
Re: About Xen: maybe a reiterative question but .., Richard Toohey, (Thu Oct 25, 4:06 am)
Re: About Xen: maybe a reiterative question but .. , Theo de Raadt, (Wed Oct 24, 5:41 pm)
Re: About Xen: maybe a reiterative question but .. , Jack J. Woehr, (Wed Oct 24, 6:52 pm)
Re: About Xen: maybe a reiterative question but .., Daniel Ouellet, (Wed Oct 24, 5:19 pm)
Re: About Xen: maybe a reiterative question but .., Paul de Weerd, (Wed Oct 24, 3:22 pm)
Re: About Xen: maybe a reiterative question but .., Matthew Weigel, (Wed Oct 24, 6:35 pm)
Re: About Xen: maybe a reiterative question but .. , Theo de Raadt, (Wed Oct 24, 2:57 pm)
Re: About Xen: maybe a reiterative question but .., L. V. Lammert, (Wed Oct 24, 4:48 pm)
Re: About Xen: maybe a reiterative question but .. , Theo de Raadt, (Wed Oct 24, 5:31 pm)
Re: About Xen: maybe a reiterative question but .. , L. V. Lammert, (Wed Oct 24, 5:59 pm)
Re: About Xen: maybe a reiterative question but .., Steve Shockley, (Wed Oct 24, 9:53 pm)
Re: About Xen: maybe a reiterative question but .., L. V. Lammert, (Thu Oct 25, 11:02 am)
Re: About Xen: maybe a reiterative question but .., L. V. Lammert, (Wed Oct 24, 9:14 pm)
Re: About Xen: maybe a reiterative question but .., Damien Miller, (Wed Oct 24, 10:01 pm)
Re: About Xen: maybe a reiterative question but .., Adam Getchell, (Thu Oct 25, 10:30 am)
Re: About Xen: maybe a reiterative question but .., L. V. Lammert, (Thu Oct 25, 12:11 pm)
Re: About Xen: maybe a reiterative question but .., Damien Miller, (Wed Oct 24, 10:05 pm)
Re: About Xen: maybe a reiterative question but .., Tony Abernethy, (Wed Oct 24, 11:07 pm)
Re: About Xen: maybe a reiterative question but .., Douglas A. Tutty, (Thu Oct 25, 9:04 am)
Re: About Xen: maybe a reiterative question but .., L. V. Lammert, (Thu Oct 25, 12:09 pm)
Re: About Xen: maybe a reiterative question but .. , Theo de Raadt, (Wed Oct 24, 10:01 pm)
Re: About Xen: maybe a reiterative question but .., Tom Van Looy, (Thu Oct 25, 12:54 pm)
Re: About Xen: maybe a reiterative question but .., Subcommander l0r3zz, (Thu Oct 25, 4:36 pm)
Re: About Xen: maybe a reiterative question but .., Matt Rowley, (Fri Oct 26, 8:34 am)
Re: About Xen: maybe a reiterative question but .., Subcommander l0r3zz, (Fri Oct 26, 1:23 pm)
Re: About Xen: maybe a reiterative question but .. , Jeremy Huiskamp, (Wed Oct 24, 7:52 pm)
Re: About Xen: maybe a reiterative question but .., L. V. Lammert, (Wed Oct 24, 9:27 pm)
Re: About Xen: maybe a reiterative question but .., Shawn K. Quinn, (Sun Oct 28, 2:29 pm)
Re: About Xen: maybe a reiterative question but .., Douglas A. Tutty, (Sun Oct 28, 6:18 pm)
Re: About Xen: maybe a reiterative question but .., Nick Holland, (Sun Oct 28, 10:31 pm)
Re: About Xen: maybe a reiterative question but .., Douglas A. Tutty, (Mon Oct 29, 8:43 am)
Re: About Xen: maybe a reiterative question but .., Douglas A. Tutty, (Mon Oct 29, 4:26 pm)
Re: About Xen: maybe a reiterative question but .., Karsten McMinn, (Thu Oct 25, 12:15 am)
Re: About Xen: maybe a reiterative question but .. , Tony Abernethy, (Wed Oct 24, 6:27 pm)
Re: About Xen: maybe a reiterative question but .. , L. V. Lammert, (Wed Oct 24, 6:44 pm)
Re: About Xen: maybe a reiterative question but .., Darrin Chandler, (Wed Oct 24, 8:43 pm)
Re: About Xen: maybe a reiterative question but .., L. V. Lammert, (Wed Oct 24, 9:20 pm)
Re: About Xen: maybe a reiterative question but .., Darrin Chandler, (Wed Oct 24, 9:54 pm)
Re: About Xen: maybe a reiterative question but .., Jason Dixon, (Wed Oct 24, 9:57 pm)
Re: About Xen: maybe a reiterative question but .., L. V. Lammert, (Thu Oct 25, 10:06 am)
Re: About Xen: maybe a reiterative question but .., Jason Dixon, (Thu Oct 25, 12:23 pm)
Re: About Xen: maybe a reiterative question but .., L. V. Lammert, (Thu Oct 25, 1:43 pm)
Re: About Xen: maybe a reiterative question but .., L. V. Lammert, (Thu Oct 25, 12:26 pm)
Re: About Xen: maybe a reiterative question but .., Henning Brauer, (Wed Oct 24, 5:26 pm)
Re: About Xen: maybe a reiterative question but .., L. V. Lammert, (Wed Oct 24, 6:00 pm)
Re: About Xen: maybe a reiterative question but .., Henning Brauer, (Wed Oct 24, 6:14 pm)
Re: About Xen: maybe a reiterative question but .., Paul de Weerd, (Wed Oct 24, 10:50 am)
Re: About Xen: maybe a reiterative question but .., L. V. Lammert, (Wed Oct 24, 1:16 pm)
Re: About Xen: maybe a reiterative question but .. , Theo de Raadt, (Wed Oct 24, 1:45 pm)
Re: About Xen: maybe a reiterative question but .., Adam Getchell, (Wed Oct 24, 12:46 pm)
Re: About Xen: maybe a reiterative question but .. , Theo de Raadt, (Wed Oct 24, 12:59 pm)
Re: About Xen: maybe a reiterative question but .. , Jack J. Woehr, (Wed Oct 24, 1:14 pm)
Re: About Xen: maybe a reiterative question but .., Marc Espie, (Wed Oct 24, 1:44 pm)