The Lightweight Directory Access Protocol, or LDAP,'s an application protocol for querying and modifying directory services running over TCP/IP. A directory's a set of objects with attributes organized in a logical and hierarchical manner. The most common example's the telephone directory, which consists of a series of names (either of persons or organizations) organized alphabetically, with each name having an address and phone number attached. An LDAP directory tree often reflects various po… (More on Ldap)