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<samba:parameter name="password hash gpg key ids"
context="G"
type="cmdlist"
xmlns:samba="http://www.samba.org/samba/DTD/samba-doc">
<description>
<para>If <command moreinfo="none">samba</command> is running as an
active directory domain controller, it is possible to store the
cleartext password of accounts in a PGP/OpenGPG encrypted form.</para>
<para>You can specify one or more recipients by key id or user id.
Note that 32bit key ids are not allowed, specify at least 64bit.</para>
<para>The value is stored as 'Primary:SambaGPG' in the
<command moreinfo="none">supplementalCredentials</command> attribute.</para>
<para>As password changes can occur on any domain controller,
you should configure this on each of them. Note that this feature is currently
available only on Samba domain controllers.</para>
<para>This option is only available if <command moreinfo="none">samba</command>
was compiled with <command moreinfo="none">gpgme</command> support.</para>
<para>You may need to export the <command moreinfo="none">GNUPGHOME</command>
environment variable before starting <command moreinfo="none">samba</command>.
<emphasis>It is strongly recommended to only store the public key in this
location. The private key is not used for encryption and should be
only stored where decryption is required.</emphasis></para>
<para>Being able to restore the cleartext password helps, when they need to be imported
into other authentication systems later (see <command moreinfo="none">samba-tool user getpassword</command>)
or you want to keep the passwords in sync with another system, e.g. an OpenLDAP server
(see <command moreinfo="none">samba-tool user syncpasswords</command>).</para>
<para>While this option needs to be configured on all domain controllers, the
<command moreinfo="none">samba-tool user syncpasswords</command> command should
run on a single domain controller only (typically the PDC-emulator).</para>
</description>
<related>unix password sync</related>
<value type="default"></value>
<value type="example">4952E40301FAB41A</value>
<value type="example">selftest@samba.example.com</value>
<value type="example">selftest@samba.example.com, 4952E40301FAB41A</value>
</samba:parameter>
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