[Samba] SAMBA share permissions all other known users

[****@ppu]

hi all,

i have integrated SAMBA with active directory and everthing is working .
however in share defination i want to give write permissions to  few users
and read access to few users.

i have mentioned  write list and read list in samba config file as follows.
this is working but all other known users (domain users) are getting read
access . is there any way to restirct the same :( . this problem is eating
my head.

[shared]
        comment =  Management
        path = "/shares/Reports"
        write list = RAJU\bk1234
        read list = RAJU\pa7263
        directory mask = 0777

Please help me out.

Regards
Appaji.p