OpenLDAP

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OpenLDAP Software
The OpenLDAP Logo
Developed by The OpenLDAP Project
Latest release 2.4.10/2.3.42 / 8 June 2008
Written in C
OS Any
Platform Cross-platform
Genre LDAP software suite
License OpenLDAP Public License
Website http://www.openldap.org/

OpenLDAP Software is a free, open source implementation of the Lightweight Directory Access Protocol (LDAP) developed by the OpenLDAP Project. It is released under its own license called the OpenLDAP Public License. LDAP is a platform-independent protocol. Several common Linux distributions include OpenLDAP Software for LDAP support. The software also runs on BSD-variants, as well as AIX, HP-UX, Mac OS X, Solaris, Microsoft Windows (2000, XP), and z/OS.

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[edit] Project history and core team

The OpenLDAP Project was started in 1998 by Kurt Zeilenga. The project started by cloning the LDAP reference source from the University Of Michigan where a long-running project had supported development and evolution of the LDAP protocol.

As of April, 2006, the OpenLDAP Project has three Core Team members: Howard Chu (Chief Architect), Pierangelo Masarati, and Kurt Zeilenga. There are numerous other important and active contributors including Luke Howard, Hallvard Furuseth, Quanah Gibson-Mount, and Gavin Henry.

[edit] Components of OpenLDAP Software

OpenLDAP Software has three main components:

  • slapd - stand-alone LDAP daemon and associated overlays and tools,
  • libraries implementing the LDAP protocol, and
  • sample clients: ldapsearch, ldapadd, ldapdelete, and others

Additionally, the OpenLDAP Project is home to a number of subprojects:

  • JLDAP - LDAP class libraries for Java
  • JDBC-LDAP - Java JDBC - LDAP Bridge driver
  • ldapc++ - LDAP class libraries for C++

[edit] Release summary

The major (functional) releases of OpenLDAP Software include:

  • OpenLDAP Version 1 was a general clean-up of the last release from the University of Michigan project (release 3.3), and consolidation of additional changes.
  • OpenLDAP Version 2.0, released in August, 2000, included major enhancements including LDAP version 3 (LDAPv3) support, Internet Protocol version 6 (IPv6) support, and numerous other enhancements.
  • OpenLDAP Version 2.1, released in June, 2002, included the transactional database backend (based on Berkeley Database or BDB), Simple Authentication and Security Layer (SASL) support, and Meta, Monitor, and Virtual experimental backends.
  • OpenLDAP Version 2.2, released in December, 2003, included the LDAP "sync" Engine with replication support (syncrepl), the overlay interface, and numerous database and RFC-related functional enhancements.
  • OpenLDAP Version 2.3, released in June, 2005, included the Configuration Backend (dynamic configuration), additional overlays including RFC-compliant Password Policy software, and numerous additional enhancements.
  • OpenLDAP Version 2.4, released in October, 2007, introduced N-way MultiMaster replication, Stand-by master, and the ability to delete and modify Schema elements on the fly, plus many more.

[edit] See also

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[edit] External links