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+<samba:parameter name="security mask"
+ context="S"
+ type="string"
+ xmlns:samba="http://samba.org/common">
+<description>
+ <para>This parameter controls what UNIX permission
+ bits can be modified when a Windows NT client is manipulating
+ the UNIX permission on a file using the native NT security
+ dialog box.</para>
+
+ <para>This parameter is applied as a mask (AND'ed with) to
+ the changed permission bits, thus preventing any bits not in
+ this mask from being modified. Essentially, zero bits in this
+ mask may be treated as a set of bits the user is not allowed
+ to change.</para>
+
+ <para>If not set explicitly this parameter is 0777, allowing
+ a user to modify all the user/group/world permissions on a file.
+ </para>
+
+ <para><emphasis>Note</emphasis> that users who can access the
+ Samba server through other means can easily bypass this
+ restriction, so it is primarily useful for standalone
+ &quot;appliance&quot; systems. Administrators of most normal systems will
+ probably want to leave it set to <constant>0777</constant>.</para>
+</description>
+
+<related>force directory security mode</related>
+<related>directory security mask</related>
+<related>force security mode</related>
+
+<value type="default">0777</value>
+<value type="example">0770</value>
+</samba:parameter>