什么是LDAP？
LDAP - 轻量级目录访问协议(Lightweight Directory Access Protocol)是访问信息服务的开发标准协议。该协议运行在互联网传输协议(如TCP)上，可被用来访问独立目录服务器或X.500目录。
关于LDAP的信息来源
网站：
OpenLDAP - http://www.openldap.org/
http://www.openldap.org/info/
http://www.openldap.org/software/
http://www.openldap.org/faq/
LDAP Schema Viewer - http://www.hklc.com/ldapschema/
Directory Interoperability Forum - http://www.directoryforum.org/
An LDAP Roadmap & FAQ - http://www.kingsmountain.com/ldapRoadmap.shtml
University of Michigan LDAP - http://www.umich.edu/~dirsvcs/ldap/
Innosofts LDAP World - http://www3.innosoft.com/ldapworld/
LDAP Howto - http://www.linux.org/help/ldp/howto/LDAP-HOWTO-1.html
在线文章：
Lighting up LDAP -
http://www.linuxworld.com/lw-1999-07/lw-07-ldap-tutorial.html
http://www.linuxworld.com/lw-1999-09/lw-09-ldap-tutorial_2.html
http://www.sunworld.com/sunworldonline/swol-07-1999/swol-07-ldap.html
http://www.sunworld.com/sunworldonline/swol-09-1999/swol-09-ldap2.html
Freshmeat Application Index -
http://www.freshmeat.net/appindex/1998/08/31/904593235.html
Linux LDAP How To -
http://www.grennan.com/ldap-HOWTO.html
LDAP at Home: Installing OpenLDAP -
http://www.webtechniques.com/1999/05/lerdorf/junksb2.shtml
http://www.webtechniques.com/archives/1999/05/junk/
Endlich wieder frei -
http://www.connector.de/publikationen/newsflash/1998_10/kolumne.html
Scalable webmail HOW-TO -
http://horde.org/papers/Scalable_webmail_HOWTO.html
Don make me LDAP you -
http://www.linuxworld.com/linuxworld/lw-1999-03/lw-03-uptime.html
LDAP in action -
http://linuxworld.com/linuxworld/lw-1999-07/lw-07-ldap_1.html
http://linuxworld.com/linuxworld/lw-1999-07/lw-07-ldap_2.html
http://linuxworld.com/linuxworld/lw-1999-08/lw-08-ldap_3.html
Configuring Netscape roaming with OpenLDAP -
http://linuxworld.com/linuxworld/lw-1999-09/lw-09-ldap-netscape.html
Internet Scout Report -
http://scout7.cs.wisc.edu/pages/00008347.html
LDAP 应用程序
LDAP Browsers/Editors
基于Java的LDAP浏览/编辑器 http://www.iit.edu/~gawojar/ldap
GQ(基于GTK的LDAP浏览/编辑器) http://biot.com/gq/
kldap(基于KDE的LDAP浏览/编辑器) http://www.mountpoint.ch/oliver/kldap/
HTTP to LDAP gateways
ldap-client-cgi.py(web21dap.py) 用Python设计的基于WWW服务器控制的CGI-BIn
http://web21dap.de/
Web xplorer 包括浏览搜索、编加和增加
http://www.hk.super.net/~alan_k
web500gw: A WWW/HTTP - LDAP/X.500 Gateway
http://www.tu-chemnitz.de/~fri/web500gw/
php HTML preprocessor
http://www.php.net
LDAP 开发工具
OpenLDAP SDKs for C and Tcl
http://www.openldap.org
Mozilla Directory SDKs for C, Java, and Perl
包括：Directory SDK for C
Directory SDK for Java
PerLDAP
Tools for LDAP
http://www.mozilla.org/directory/
http://www.iplanet.com/downloads/developer/index.html
NeoSoft Tcl API - Tcl Extension
http://www.openldap.org/
Net::LDAP 100% Perl LDAP Module
http://www.pobox.com/~gbarr/perl-ldap/
Net::LDAPapi Deprecated Perl Module
http://www.linc-dev.com/perl.html
PHP Hypertext scripting with integrated LDAP API
http://www.php.net/manual/ref.ldap.php3
Sun JNDI Java Naming & Directory Interface
http://java.sun.com/products/jndi/
Microsoft ADSI C/C++ SDK for MS Windows
http://www.microsoft.com/adsi/
deldap - Delphi import unit
http://www.seria.com/download/deldap.zip
LDAP服务器
OpenLDAP
包括：stand-alone LDAP server (slapd)
stand-alone LDAP replication server (slurpd)
LDAP-to-X.500 gateway server (ldapd)
libraries implementing the LDAP protocol, and
utilities, tools, and sample clients.
http://www.openldap.org/
U-Mich LDAP
http://www.umich.edu/~dirsvcs/ldap/
商业软件
iPlanet (Netscape) Directory Server
http://www.iplanet.com/products/infrastructure/dir_security/dir_srvr/
Intrastore by Control Data
http://www.cdc.com
杂项
Oscar PKI 公用密钥校验
http://oscar.dstc.qut.edu.au/
电子邮件服务
Sendmail
http://www.sendmail.org/
http://www.stanford.edu/~bbense/Inst.html (sendmail/ldap交互)
http://www.openldap.org/software/man.cgi?query=mail500
Exim
http://www.exim.org/
postfix
http://www.postfix.org/
Qmail
http://www.nrg4u.com/