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<?xml version="1.0" encoding="iso-8859-1"?>
<!DOCTYPE refentry PUBLIC "-//Samba-Team//DTD DocBook V4.2-Based Variant V1.0//EN" "http://www.samba.org/samba/DTD/samba-doc">
<refentry id="vfs_acl_xattr.8">
<refmeta>
<refentrytitle>vfs_acl_xattr</refentrytitle>
<manvolnum>8</manvolnum>
<refmiscinfo class="source">Samba</refmiscinfo>
<refmiscinfo class="manual">System Administration tools</refmiscinfo>
<refmiscinfo class="version">3.6</refmiscinfo>
</refmeta>
<refnamediv>
<refname>vfs_acl_xattr</refname>
<refpurpose>Save NTFS-ACLs in Extended Attributes (EAs)</refpurpose>
</refnamediv>
<refsynopsisdiv>
<cmdsynopsis>
<command>vfs objects = acl_xattr</command>
</cmdsynopsis>
</refsynopsisdiv>
<refsect1>
<title>DESCRIPTION</title>
<para>This VFS module is part of the
<citerefentry><refentrytitle>samba</refentrytitle>
<manvolnum>7</manvolnum></citerefentry> suite.</para>
<para>The <command>vfs_acl_xattr</command> VFS module stores
NTFS Access Control Lists (ACLs) in Extended Attributes (EAs).
This enables the full mapping of Windows ACLs on Samba
servers.
</para>
<para>The ACLs are stored in the Extended Attribute
<parameter>security.NTACL</parameter> of a file or directory.
This Attribute is <emphasis>not</emphasis> listed by
<command>getfattr -d <filename>filename</filename></command>.
To show the current value, the name of the EA must be specified
(e.g. <command>getfattr -n security.NTACL <filename>filename</filename>
</command>).
</para>
<para>This module is stackable.</para>
</refsect1>
<refsect1>
<title>OPTIONS</title>
<variablelist>
<!-- please keep in sync with the other acl vfs modules that provide the same options -->
<varlistentry>
<term>acl_xattr:ignore system acls = [yes|no]</term>
<listitem>
<para>
When set to <emphasis>yes</emphasis>, a best effort mapping
from/to the POSIX ACL layer will <emphasis>not</emphasis> be
done by this module. The default is <emphasis>no</emphasis>,
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.
</para>
</listitem>
</varlistentry>
</variablelist>
</refsect1>
<refsect1>
<title>AUTHOR</title>
<para>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.</para>
</refsect1>
</refentry>
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