From: Brandon S. Allbery (bsa@kf8nh.wariat.org)
Date: 06/14/93 

From: bsa@kf8nh.wariat.org (Brandon S. Allbery)
Subject: Re: How to disable C-A-D for non-root users?
Date: Mon, 14 Jun 1993 12:01:56 GMT

In article <1vgimq$7i4@rug17.cs.rug.nl> richard@cs.rug.nl (Richard Braakman) writes:
>bsa@kf8nh.wariat.org (Brandon S. Allbery) writes:
>>If it's really a problem, disable C-A-D. I suspect that this is a good idea
>>anyway... I've never found a situation where it's any more useful than a
>>proper shutdown. (Or use it as a "secure interrupt" as I believe is provided
>>for in the pl10 serial driver.)
>
>I once used it to get out of a problem with booting. I didn't get a login
>prompt, so I tried C-A-D. It started a shutdown, which is obviously better
>than hitting reset. Is this what you meant with "secure interrupt" ?
>(I was running a 0.99.9A flavour).

If you didn't get a login it would probably have been safe to reset. "Secure
interrupt" kill -9's all processes on the console as a security measure, if I
recall correctly. It's a guarantee that you aren't about to try to log in to
someone's Trojan horse.

++Brandon 

-- 
Brandon S. Allbery         kf8nh@kf8nh.ampr.org          bsa@kf8nh.wariat.org

It's not too late to turn back from the "Gates" of Hell...
Linux: the free 32-bit operating system, available NOW. Why waaaaaait for NT?