hello-link LDAP LinksOpenLDAP Administration Guidecontains very readable section "What is LDAP"LDAP RFCsRFC2251 Lightweight Directory Access Protocol (v3)Lightweight Directory Access Protocol (v3): Attribute Syntax DefinitionsLightweight Directory Access Protocol (v3): UTF-8 String Representation of Distinguished Names The String Representation of LDAP Search FiltersLDAP and Lotus NotesLDAP enabled on Notes... to change settingsReplicating Notes data to OpenLDAP