As pointed out by someone else, it is possible, but not without denying
the user all possible user-initiated access to the debugger. I.e. the
only way to stop an attacker is to leave out this feature at compile
time. Actually, NetBSD is a little bit better than some other OSes on
i386 in that CTRL+ALT+DEL does not automatically reboot the machine....

 --- "Robert P. Thille" <rthille@mac.com> wrote: > 
> On Sunday, January 5, 2003, at 07:01  PM, grant beattie wrote:
> 
> > On Sun, Jan 05, 2003 at 09:46:42PM -0500, Gary Thorpe wrote:
> >
> >> Is there a way to make the key combination work only for the super
> 
> >> user
> >> or other authorized users?
> >
> > username/uid is irrelevant because this can only be done on the
> > console.
> >
> > If someone has access to the console, "game over".
> 
> I should hope that it's possible to secure a box if the attacker only
> 
> has access to the keyboard & display.  ie, it's a kiosk machine, that
> 
> the actual computer is locked away in a steel box.
> 
> Robert
>  

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