What is LDAP & How does it work?

LDAP, or Lightweight Directory Access Protocol, is a protocol used by network devices to communicate with Directory Services, which are databases storing information about users, groups, and network devices. Developed as a simpler alternative to the X.500 standard, LDAP organizes network resources in a hierarchical structure, enabling quick data retrieval through LDAP queries, although its write speeds can be slower. It supports authentication through hashed passwords and can integrate with SSL and TLS for security. LDAP is often compared to other services like Microsoft’s Active Directory, which is a proprietary implementation, and Kerberos, which serves as an authentication layer within Active Directory. LDAP's role as an Identity Provider makes it useful for OAuth or SAML services, and it can be integrated into Single Sign-On systems. Its implementation as an Identity Provider can be demonstrated using platforms like SuperTokens, enhancing authentication and authorization processes in applications.

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