[Xen-devel] Re: Porting Openbsd to Xen?

[voices <voices@xxxxxxxxxxxxxxxx>]

Nicholas Lee wrote:
> Has there been any thoughts on porting Openbsd to Xen? 
> (http://www.cl.cam.ac.uk/Research/SRG/netos/xen/)
>
> Both Freebsd (unstable)
> http://www.bsdclusters.com/xenofreebsd/
> and Netbsd (stable)
> http://www.cl.cam.ac.uk/Research/SRG/netos/xen/faq.html#a1.3
> have been ported.
>
>
> The principle of Xen, having an insecure (linux) layer running as a host
> OS might go against the philosophy of Openbsd. It would be nice though to
> be able to use pf/altq and other Openbsd goodies in Linux land.
It would be really great, because OpenBSD has a lot of built-in security 
features, for example W^X.
I think one of the biggest problems preventing usage of Xen in some 
environments is lack of possibilities to highly secure guest systems -
for example great PaX (most important part of grsecurity).
We all know, that standard linux is totally defenceless against so 
popular buffer overflows exploitation, or format string bugs ...
--
voices (at) metallicrain (dot) com



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