From: Theodore Ts'o <tytso@athena.mit.edu> Subject: Re: How to disable C-A-D for non-root users? Date: 28 Jun 1993 15:53:59 -0400
|>>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.
|>>
|>Now that seems like a damn good idea. I don't remember seeing anything about
|>that in the pl10 announcment.
|It was in the serial driver announcement, which predated the pl10 announcement
|by about 2 weeks and mentioned that the driver would be in the released pl10
|kernel. All the pl10 announcement mentioned was the fact that a new serial
|driver version was provided, not the details.
Actually, the "Secure Attention Key" has been around since sometime in
0.98. It was something which I added on a whimsy, just to be able to
say that Linux had some Orange Book features --- not that I think that
Linux would ever become an official evaluated trusted system. :-)
- Ted