OpenLDAP是一个开源的LDAP实现，这个套件包括：

• slapd - 独立运行的LDAP服务器端程序
• slurpd - 更新复制的守护进程
• libraries 实现LDAP协议的接口库
• 管理工具和客户端

2012-10-10发布2.4.33，上一个版本是2012-07-31的2.4.32

完全改进：  

OpenLDAP 2.4.33 Release (2012/10/10)
	Added slapd-meta cn=config support
	Fixed libldap MozNSS slot picking (ITS#7359)
	Fixed libldap MozNSS with tokenname:certnickname format (ITS#7360)
	Fixed libmdb POSIX semaphore cleanup on environment close (ITS#7364)
	Fixed libmdb mdb_page_split (ITS#7385, ITS#7229)
	Fixed slapd alock handling on Windows (ITS#7361)
	Fixed slapd acl handling with zero-length values (ITS#7350)
	Fixed slapd syncprov to not reference ops inside a lock (ITS#7172)
	Fixed slapd delta-syncrepl MMR with large attribute values (ITS#7354)
	Fixed slapd slapd_rw_destroy function (ITS#7390)
	Fixed slapd-ldap idassert bind handling (ITS#7403)
	Fixed slapd-mdb slapadd -q -w double free (ITS#7356)
	Fixed slapd-mdb to close read txn in reindex commit (ITS#7386)
	Fixed slapo-constraint with multiple modifications (ITS#7168)
	Build Environment
		Fixed build with Visual Studio (ITS#7358)
		Fixed libmdb posix semaphore use on BSD system (ITS#7363)
		Add slapo-constraint test suite (ITS#7344, ITS#7366)
	Contrib
		Updated radius passwd module for NAS-Identifier (ITS#7357)
	Documentation
		slapo-refint(5) Note that refint is not replicated (ITS#7405)

下载：ftp://ftp.openldap.org/pub/OpenLDAP/openldap-release/openldap-2.4.33.tgz