Booting SunOS 4.0 singlu user (was Re: NFS security)

[Ned D. Danieley]

In article <3168 at emory.uucp> arnold at emory.UUCP (Arnold D. Robbins {EUCC}) writes:
>In article <14186 at comp.vuw.ac.nz> duncan at comp.vuw.ac.nz (Duncan McEwan) writes:
>>....  I think SunOS 4.0 can be configured to require the
>>superuser password before coming up in single user mode.
>>
...
>This feature is straight-forward, and fairly elegant. The file /etc/ttytab
...
>The 'secure' on the line for the console has the usual meaning of "root
>can log in on this terminal", and is also overloaded to mean "OK, you can
>come up with a single user root shell". If 'secure' is missing, or /etc/ttytab
>is not there, then the system prompts for the root password when booting
>single user.
...
>Arnold Robbins -- Emory University Computing Center
>DOMAIN:	arnold at unix.cc.emory.edu (finally!)





If I understand what you've described, the only way to protect a
workstation from someone booting it single user is to deny root
the ability to log in on that workstation. Doesn't sound very elegant
to me.




Ned Danieley (ndd at sunbar.mc.duke.edu)
Basic Arrhythmia Laboratory
Box 3140, Duke University Medical Center
Durham, NC  27710
(919) 684-6807 or 684-6942