Hello, I am trying to build a Samba standalone server to serve file sharing in our office for both Ubuntu and Windows clients. Ubuntu user will use mount.cifs to mount the share. Windows (XP/7) will use workgroup to access the share. I am using Samba 3.6.9 on CentOS 6.3 (64bit). Now I am having problem to setup correct ACL so please help me. Here is my situation: I'll have directories like: /projects /projects/US /projects/US/clientA /projects/US/clientB /projects/US/clientB/projectXX /projects/US/clientB/projectYY /projects/CA /projects/MX Groups: --staff: all staff --projectadmin: the bosses (have full access to /projects and sub dirs) --projmanageus: US regional managers (have full access to /projects/US and sub dirs.) --projmanageca: Canada regional managers(have full access to /projects/CA and sub dirs.) --projmanagemx: Mexico regional managers(have full access to /projects/MX and sub dirs.) --projectXXgroup: (access the projectXX and sub dirs only) --projectYYgroup: (access the projectYY and sub dirs only) Here is the confused part: How many shares should I setup? I like to just setup one share "projects" and allow everyone to be able to mount it via cifs. But the further navigate (cd) will be controlled by ACL. For example, after mount the "projects", user see all 3 sub dirs: US CA MX. But only member of projectadmin, projmanageus, projectXXgroup can access /projects/US/clientB/projectXX. I am trying to keep it simple to manage the share and the permission. So is the above possible? or I am totally on the wrong direction? Please help. Thanks a lot. Gao --