On Tue, 2013-01-29 at 13:28 -0500, Daniel J Walsh wrote:
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> On 01/29/2013 11:20 AM, John Reiser wrote:
> >>>> A generic fallback image should be installed by anaconda on
> >>>> installation/update and never ever be removed.
> > 
> >> Also, fallback has interesting security properties…
> > 
> > 
> > "Rescue mode" forces a SELinux relabel at the next boot, and relabel can
> > take a very long time.
> > 
> > How does "fallback mode" handle this, particularly if there have been 
> > updates to SELinux policy after the fallback was created?
> > 
> The reason for this is we do not know what files were created on the system
> while SELinux was disabled (Policy Not Loaded).  If you know you did not
> created files on the system you could remove the /.autorelabel file and boot
> without a relabel.

Can we have a relabel mode that just searches only files changed after a
specific date ?
If we stored the time of last "good" shutdown somewhere it would mean we
might be able to relabel only a minor subset of files, saving a lot of
time ?

Simo.

-- 
Simo Sorce * Red Hat, Inc * New York

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