2007-04-17 Apache Directory Server An extensible, embeddable LDAP and Kerberos server, entirely in Java ApacheDS is an extensible and embeddable directory server entirely written in Java, which has been certified LDAPv3 compatible by the Open Group. It has been designed to introduce triggers, stored procedures, queues and views to the world of LDAP which has lacked these rich constructs. Java Lightweight Directory Access Protocol (LDAP): The Protocol IETF RFC 4511 The Kerberos Network Authentication Service (V5) IETF RFC 4120