The setting of this parameter determines whether user and group list information is returned for an anonymous connection. and mirrors the effects of the HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\LSA\RestrictAnonymous registry key in Windows 2000 and Windows NT. When set to 0, user and group list information is returned to anyone who asks. When set to 1, only an authenticated user can retrive user and group list information. The value 2, supported by Windows 2000 and higher, is not supported by Samba. Default: restrict anonymous = 0