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'\" t
.\" Title: vfs_acl_xattr
.\" Author: [see the "AUTHOR" section]
.\" Generator: DocBook XSL Stylesheets v1.78.1 <http://docbook.sf.net/>
.\" Date: 02/21/2015
.\" Manual: System Administration tools
.\" Source: Samba 4.0
.\" Language: English
.\"
.TH "VFS_ACL_XATTR" "8" "02/21/2015" "Samba 4\&.0" "System Administration tools"
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.SH "NAME"
vfs_acl_xattr \- Save NTFS\-ACLs in Extended Attributes (EAs)
.SH "SYNOPSIS"
.HP \w'\ 'u
vfs objects = acl_xattr
.SH "DESCRIPTION"
.PP
This VFS module is part of the
\fBsamba\fR(7)
suite\&.
.PP
The
vfs_acl_xattr
VFS module stores NTFS Access Control Lists (ACLs) in Extended Attributes (EAs)\&. This enables the full mapping of Windows ACLs on Samba servers\&.
.PP
The ACLs are stored in the Extended Attribute
\fIsecurity\&.NTACL\fR
of a file or directory\&. This Attribute is
\fInot\fR
listed by
getfattr \-d filename\&. To show the current value, the name of the EA must be specified (e\&.g\&.
getfattr \-n security\&.NTACL filename)\&.
.PP
This module is stackable\&.
.SH "OPTIONS"
.PP
acl_xattr:ignore system acls = [yes|no]
.RS 4
When set to
\fIyes\fR, a best effort mapping from/to the POSIX ACL layer will
\fInot\fR
be done by this module\&. The default is
\fIno\fR, which means that Samba keeps setting and evaluating both the system ACLs and the NT ACLs\&. This is better if you need your system ACLs be set for local or NFS file access, too\&. If you only access the data via Samba you might set this to yes to achieve better NT ACL compatibility\&.
.RE
.SH "AUTHOR"
.PP
The original Samba software and related utilities were created by Andrew Tridgell\&. Samba is now developed by the Samba Team as an Open Source project similar to the way the Linux kernel is developed\&.
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