On Sun, Apr 01 2001 at 05:10PM, adam beecher(adam at iewebs.com) wrote:
: Two rather simple things that I've forgotten how to do:
:: 1) I want to disable direct root logins completely.
/etc/securetty lists all the ttys that root is *allowed* to log in from,
so...
echo "" > /etc/securetty
: 2) I only want to allow su from a defined set of users (wheel?).
(making sure there exists a 'wheel' group)
chgrp wheel /bin/su
chmod 4750 /bin/su
Although you might want to check out "Why GNU su does not support the
wheel group", by RMS before you do this, if you're in the mood for yet
ANOTHER philosophical "drama" from something relatively straightforward.
http://www.delorie.com/gnu/docs/sh-utils/su.1.html
- John
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