Good old covert channels, I remember reading about some guy on an IBM VM I
think or something using covert channels to signal between apparntly
separate process spaces... if someone has this in their bookmarks could
the send it on to me .. I lost it :-(
On Thu, 22 Feb 2001, Padraig Brady wrote:
> Well the NSA think that virtual machines are
> adequate to protect sensitive data:
>http://slashdot.org/articles/01/02/02/155230.shtml> I'm not convinced though? There could be many ways
> to signal between the VMs running on the same HW.
>>jm at netnoteinc.com wrote:
>> > Paul Jakma said:
> >> On Wed, 21 Feb 2001, kevin lyda wrote:
> >>> i wonder how usermode linux would do here - the firewall runs under
> >>> usermode linux and the real box runs the rest.
> >> don't know... conceptually uml exists to ease development. security
> >> between uml kernel and host OS isn't a goal. so probably not a good
> >> idea to rely on it.
> > You could always get VMWare and run a firewall in the virtual machine,
> > then rollback the disk images every night; any changes made to the disk
> > images will disappear as if by magic ;)
> > --j.
David Airlie, Software Engineer
http://www.skynet.ie/~airlied / airlied at skynet.ie
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