|OpenLDAP Faq-O-Matic : General LDAP FAQ : What is LDAP?|
|Lightweight Directory Access Protocol (LDAP) is an open-standard protocol for accessing X.500 directory services. The protocol runs over Internet transport protocols, such as TCP.
|LDAP is a lightweight alternative to the X.500 Directory Access
Protocol (DAP) for use on the Internet. It uses TCP/IP stack
verses the overly complex OSI stack. It also has other
simplications, such as the representing most attribute values
and many protocol items as textual strings, that are designed to
make clients easier to implement.
X.500 recommendations are available from the ITU (http://www.itu.int/).
LDAP version 3 (LDAPv3) is an Internet "Proposed Standard" and is
documented by the various RFCs, including:
LDAP version 2 (LDAPv2) is a now Historic (see RFC 3494).
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