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

OpenLDAP 2.4.38 发布 2013-11-17，上一个版本是2013-10-27的2.4.37 一些BUG修正。

完全改进：

OpenLDAP 2.4.38 Release (2013/11/16)
	Fixed liblmdb nordahead flag (ITS#7734)
	Fixed liblmdb to check cursor index before cursor_del (ITS#7733)
	Fixed liblmdb wasted space on split (ITS#7589)
	Fixed slapd for certs with a NULL issuerDN (ITS#7746)
	Fixed slapd cn=config with empty nested includes (ITS#7739)
	Fixed slapd syncrepl memory leak with delta-sync MMR (ITS#7735)
	Fixed slapd-bdb/hdb to stop processing on dn not found (ITS#7741)
	Fixed slapd-bdb/hdb with indexed ANDed filters (ITS#7743)
	Fixed slapd-mdb to stop processing on dn not found (ITS#7741)
	Fixed slapd-mdb dangling reader (ITS#7662)
	Fixed slapd-mdb matching rule for OlcDbEnvFlags (ITS#7737)
	Fixed slapd-mdb with indexed ANDed filters (ITS#7743)
	Fixed slapd-meta from blocking other threads (ITS#7740)
	Fixed slapo-syncprov assert with findbase (ITS#7749)

下载：ftp://ftp.openldap.org/pub/OpenLDAP/openldap-release/openldap-2.4.38.tgz