LDAP (4)

• LDAP was developed to provide clients with a lightweight method of accessing X.500 databases eliminating DAP (OSI Directory Access Protocol). DAP creates so much overhead that is not practical.

• LDAP will help navigate but will not replace X.500

• LDAP can be used to communicate with any attribute based directory, including X.500

• It evolved as a standalone protocol: LDAP is a client-server product

  • LDAP client -> LDAP server <-> database
  • TCP 389 port is used
  • TCP 636 is used for encrypted LDAP

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