Windows ACL allows the QNAP NAS administrator to configure file and folder permissions for the local and domain users on the NAS from Windows Explorer. The administrator can add, modify, and remove Windows ACL permissions of the NAS on Windows XP, Vista, Windows 7, Windows Server 2003, and Windows 2008.
Login the NAS as “admin”. Go to “Privilege Settings” > “Share Folders” > “Advanced Permissions”, select “Enable Windows ACL Support” and click “Apply All”.Enable Windows ACL
Configure basic permissions
Open Windows Explorer and connect to the NAS via Samba. Right click a shared folder and select “Properties”. Under the “Security” tab are the permission settings. Click “Edit”.
Select a user name (NAS local or domain user). Modify the permissions for the user and click “Apply”.
Configure advanced permissions
To configure advanced permissions, right click a shared folder and select “Properties”. Click “Advanced” under the “Security” tab.
Click “Change Permissions”.
Click “Edit” to configure the advanced permissions. Modify the permission settings and click “Apply”.
Calculate effective permissions
To calculate the effective permissions of a user account, right click a shared folder and select “Properties”. Click “Advanced” under the “Security” tab.
Select the “Effective Permissions” tab. Under “Group or user name” click “Select”; input a user or group name. Click “OK”.
The effective permissions of the user or group will be shown.