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Samba HowTo Guide
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File and Directory Permissions-Based Controls

Directory permission-based controls, if misused, can result in considerable difficulty in diagnosing the causes of misconfiguration. Use them sparingly and carefully. By gradually introducing each, one at a time, undesirable side effects may be detected. In the event of a problem, always comment all of them out and then gradually reintroduce them in a controlled way.

Refer to File and Directory Permission Based Controls for information regarding the parameters that may be used to set file and directory permission-based access controls.

Table15.3.File and Directory Permission-Based Controls

Control Parameter Description, Action, Notes
create mask

Refer to the smb.conf man page.

directory mask

The octal modes used when converting DOS modes to UNIX modes when creating UNIX directories. See also directory security mask.

dos filemode

Enabling this parameter allows a user who has write access to the file to modify the permissions on it.

force create mode

This parameter specifies a set of UNIX-mode bit permissions that will always be set on a file created by Samba.

force directory mode

This parameter specifies a set of UNIX-mode bit permissions that will always be set on a directory created by Samba.

force directory security mode

Controls UNIX permission bits modified when a Windows NT client is manipulating UNIX permissions on a directory.

force security mode

Controls UNIX permission bits modified when a Windows NT client manipulates UNIX permissions.

hide unreadable

Prevents clients from seeing the existence of files that cannot be read.

hide unwriteable files

Prevents clients from seeing the existence of files that cannot be written to. Unwritable directories are shown as usual.

nt acl support

This parameter controls whether smbd will attempt to map UNIX permissions into Windows NT ACLs.

security mask

Controls UNIX permission bits modified when a Windows NT client is manipulating the UNIX permissions on a file.

Samba HowTo Guide
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