In message <20030430152217.09ec75ea.freeserver@wintellect.co.uk>, Phil Pereira 
writes:
>Fellow NetBSD-ers,
>
>Is there something I can configure/compile into the kernel to prevent a "Ctrl+
>Alt+del" keypress reboot?
>

Do you mean cntl+alt+esc, which drops you into the debugger -- 
NetBSD doesn't reboot on cntl+alt+del, in my experience.  I think you
can disable that by setting sysctl variable ddb.fromconsole to 0 -- to 
do it always, set it in /etc/sysctl.conf.

		--Steve Bellovin, http://www.research.att.com/~smb (me)
		http://www.wilyhacker.com (2nd edition of "Firewalls" book)