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IDMAP_RFC2307(8)	  System Administration tools	      IDMAP_RFC2307(8)

       idmap_rfc2307 - Samba's idmap_rfc2307 Backend for Winbind

       The idmap_rfc2307 plugin provides a way for winbind to read id mappings
       from records in an LDAP server as defined in RFC 2307. The LDAP server
       can be stand-alone or the LDAP server provided by the AD server. An AD
       server is always required to provide the mapping between name and SID,
       and the LDAP server is queried for the mapping between name and
       uid/gid. This module implements only the "idmap" API, and is READONLY.

       Mappings must be provided in advance by the administrator by creating
       the user accounts in the Active Directory server and the posixAccount
       and posixGroup objects in the LDAP server. The names in the Active
       Directory server and in the LDAP server have to be the same.

       This id mapping approach allows the reuse of existing LDAP
       authentication servers that store records in the RFC 2307 format.

       range = low - high
	   Defines the available matching UID and GID range for which the
	   backend is authoritative. Note that the range acts as a filter. If
	   specified any UID or GID stored in AD that fall outside the range
	   is ignored and the corresponding map is discarded. It is intended
	   as a way to avoid accidental UID/GID overlaps between local and
	   remotely defined IDs.

       ldap_server = <ad | stand-alone >
	   Defines the type of LDAP server to use. This can either be the LDAP
	   server provided by the Active Directory server (ad) or a
	   stand-alone LDAP server.

	   Specifies the bind path where user objects can be found in the LDAP

	   Specifies the bind path where group objects can be found in the
	   LDAP server.

       user_cn = <yes | no>
	   Query cn attribute instead of uid attribute for the user name in
	   LDAP. This option is not required, the default is no.

       cn_realm = <yes | no>
	   Append @realm to cn for groups (and users if user_cn is set) in
	   LDAP. This option is not required, the default is no.

	   When using the LDAP server in the Active Directory server, this
	   allows to specify the domain where to access the Active Directory
	   server. This allows using trust relationships while keeping all RFC
	   2307 records in one place. This parameter is optional, the default
	   is to access the AD server in the current domain to query LDAP

	   When using a stand-alone LDAP server, this parameter specifies the
	   ldap URL for accessing the LDAP server.

	   Defines the user DN to be used for authentication. The secret for
	   authenticating this user should be stored with net idmap secret
	   (see net(8)). If absent, an anonymous bind will be performed.

	   Defines the realm to use in the user and group names. This is only
	   required when using cn_realm together with a stand-alone ldap

       The following example shows how to retrieve id mappings from a
       stand-alone LDAP server. This example also shows how to leave a small
       non conflicting range for local id allocation that may be used in
       internal backends like BUILTIN.

		idmap config * : backend = tdb
		idmap config * : range = 1000000-1999999

		idmap config DOMAIN : backend = rfc2307
		idmap config DOMAIN : range = 2000000-2999999
		idmap config DOMAIN : ldap_server = stand-alone
		idmap config DOMAIN : ldap_url = ldap://
		idmap config DOMAIN : ldap_user_dn = cn=ldapmanager,dc=example,dc=com
		idmap config DOMAIN : bind_path_user = ou=People,dc=example,dc=com
		idmap config DOMAIN : bind_path_group = ou=Group,dc=example,dc=com

       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.

Samba 4.0			  04/04/2014		      IDMAP_RFC2307(8)

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