LDAP has been used for a long time for accessing and managing distributed directory information. This is an application level protocol that works over the IP network. Directory service is heavily used in organizations for managing the information about the users, the computer systems, the networks, the applications, and so on. The LDAP protocol contains plenty of technical jargon. It is a client/server-based protocol. So, the LDAP client will make a request to a properly configured LDAP server. After initializing the LDAP connection, the connection will need to be authenticated by using a few parameters. A simple BIND operation will establish an LDAP session. In a simple case, you can set up a simple anonymous BIND that would not need no password or any other credentials.

If you a run a simple LDAP query with the help of ldapsearch, then you will see results such as:

# ldapsearch  -x -b "dc=localdomain,dc=loc" -h 10.0.2.15 -p 389

# extended...