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<samba:parameter name="passdb backend"
context="G"
type="list"
advanced="1" developer="1"
xmlns:samba="http://www.samba.org/samba/DTD/samba-doc">
<description>
<para>This option allows the administrator to chose which backend
will be used for storing user and possibly group information. This allows
you to swap between different storage mechanisms without recompile. </para>
<para>The parameter value is divided into two parts, the backend's name, and a 'location'
string that has meaning only to that particular backed. These are separated
by a : character.</para>
<para>Available backends can include:
<itemizedlist>
<listitem>
<para><command moreinfo="none">smbpasswd</command> - The old plaintext passdb
backend. Some Samba features will not work if this passdb
backend is used. Takes a path to the smbpasswd file as an
optional argument.
</para>
</listitem>
<listitem>
<para><command moreinfo="none">tdbsam</command> - The TDB based password storage
backend. Takes a path to the TDB as an optional argument (defaults to passdb.tdb
in the <smbconfoption name="private dir"/> directory.</para>
</listitem>
<listitem>
<para><command moreinfo="none">ldapsam</command> - The LDAP based passdb
backend. Takes an LDAP URL as an optional argument (defaults to
<command moreinfo="none">ldap://localhost</command>)</para>
<para>LDAP connections should be secured where possible. This may be done using either
Start-TLS (see <smbconfoption name="ldap ssl"/>) or by
specifying <parameter moreinfo="none">ldaps://</parameter> in
the URL argument. </para>
<para>Multiple servers may also be specified in double-quotes.
Whether multiple servers are supported or not and the exact
syntax depends on the LDAP library you use.
</para>
</listitem>
</itemizedlist>
</para>
Examples of use are:
<programlisting>
passdb backend = tdbsam:/etc/samba/private/passdb.tdb
or multi server LDAP URL with OpenLDAP library:
passdb backend = ldapsam:"ldap://ldap-1.example.com ldap://ldap-2.example.com"
or multi server LDAP URL with Netscape based LDAP library:
passdb backend = ldapsam:"ldap://ldap-1.example.com ldap-2.example.com"
</programlisting>
</description>
<value type="default">tdbsam</value>
</samba:parameter>
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