We use OpenLDAP as centralized authentication
system with Samba for windows clients.
So... why don't you get 6.4 and use LDAP for filer access?
p.
--
Beware of he who would deny you access to information, for in his
heart he dreams himself your master. -- Commissioner Pravin Lal
http://nerdquiz.sgh.waw.pl/ -- polska wersja quizu dla nerdów ;)