Skip site navigation (1)Skip section navigation (2)
Date:      Fri, 20 Dec 1996 07:22:54 -0800 (PST)
From:      Snob Art Genre <ben@narcissus.ml.org>
To:        Igor Roshchin <igor@alecto.physics.uiuc.edu>
Cc:        Sean Winn <sean@perky.gothic.net.au>, freebsd-security@FreeBSD.org
Subject:   Re: stopping users from rebooting with ctr-alt-del
Message-ID:  <Pine.BSF.3.91.961220072039.8768A-100000@narcissus.ml.org>
In-Reply-To: <199612201504.JAA23349@alecto.physics.uiuc.edu>

next in thread | previous in thread | raw e-mail | index | archive | help
On Fri, 20 Dec 1996, Igor Roshchin wrote:

> > 
> > I can already see a nice simple problem, in that it would only work after
> > login...if you need to shutdown because you can't login for some reason
> > (exhausted swap space because of a nasty process?), then this makes things
> > difficult...but it should help machines in public places around people who
> > have too much curiosity. 
> > 
> 
> Why would you need use ctrl-alt-del to reboot the machine ?
> 1. it's not a shutdown (it doesn't resync, anyhow)

I believe this is incorrect.

> 2. if you need to "reboot" it no matter what -
> use the power switch, or "reset" button if one is present.
> May be I am wrong, but I don't see bug difference [for Unix]
> between ctrl-alt-del and "reset" .

I think ctrl-alt-del syncs buffers and otherwise shuts down the machine 
"nicely".  I may be wrong.

> In a public place I would also disable "reset" and "power" button
> <grin> 

Yes . . . in general I think allowing people physical access to a machine
is a big risk.  Anyone with a screwdriver and five minutes can remove your
hard drive, after all. 

> (I've seen so many time how our HPs were rebooted by users)
> 
> 
> IgoR
> aka StR
> 
> 



 Ben

The views expressed above are not those of the Worker's Compensation 
Board of Queensland, Australia.





Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?Pine.BSF.3.91.961220072039.8768A-100000>