Enforcing Permissions

[Rahul Sukthankar]

In article <746 at redsox.bsw.com> campbell at redsox.UUCP (Larry Campbell) writes:
>Who cares?  Why would you ever want to revoke, quickly, access you had once
>granted?  What's wrong with just shutting down the system?
>-- 

There are many times I can see this as a problem -- here are just 2:
a) I turn my mesg y; Obnoxious user starts a cat > /dev/ttya; I get
     annoyed; I do mesg n; nothing happens; I stay annoyed.
b) I accidentally give write permission to ~.  Alert badguy starts a
     process which accesses ~.  I can do NOTHING about it.
     
P.S. Shut down the system??  I am *not* the super-user.

Not all UNIX users are nice people.

>Larry Campbell                          The Boston Software Works, Inc.
>campbell at bsw.com                        120 Fulton Street
>wjh12!redsox!campbell                   Boston, MA 02146

Rahul Sukthankar
sukthnkr at phoenix.princeton.edu