LDAP directory service

LDAP directory service You can allow to authenticate users against an existing LDAP directory service within your enterprise. LDAP (lightweight directory access protocol) provides an open directory access protocol running over TCP/IP. An LDAP directory service can quickly authenticate a user's name and password. LDAP directory servicesused to provide user authentication

To use an LDAP directory service, set derby.authentication.provider to LDAP.

Examples of LDAP service providers are:

Netscape Directory Server
Netscape Directory Server is an LDAP directory server. In addition, the Netscape Directory Synchronization Service synchronizes entries in a Windows NT directory with the entries in Netscape's Directory Server. It allows you to use the Windows NT directory as a repository for users.
UMich slapd (freeware for the UNIX platform from the University of Michigan)
AE SLAPD for Windows NT, from AEInc