Date: Fri, 20 Dec 1996 09:31:39 -0700 (MST) From: Nate Williams <nate@mt.sri.com> To: igor@alecto.physics.uiuc.edu (Igor Roshchin) Cc: sean@perky.gothic.net.au (Sean Winn), freebsd-security@freebsd.org Subject: Re: stopping users from rebooting with ctr-alt-del Message-ID: <199612201631.JAA23622@rocky.mt.sri.com> In-Reply-To: <199612201504.JAA23349@alecto.physics.uiuc.edu> References: <Pine.BSF.3.91.961221013041.3576A-100000@perky.gothic.net.au> <199612201504.JAA23349@alecto.physics.uiuc.edu>
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> > 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) Huh? If you mean it doesn't write the contents of the disk, then you're wrong. I added the code so that it does indeed do a clean shutdown. > 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" . The difference between a clean shutdown and a hard shutdown. Nate
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