Probably the smart thing to do in this case is to only let servers have access to NFS (but leave NIS for everyone), and then use Samba to share out the directory. It's got a different concept of Access Control, and should work better for your application.
Thanks,
Tim Nelson
Systems Administrator
Sunet Internet
Tel: +61 3 5241 1155
Fax: +61 3 5241 6187
Web: http://www.sunet.com.au/
Email: [EMAIL PROTECTED]
