Conquer the 2025 CPSA Challenge – Elevate Your Security Analyst Skills Now!

Port 636 is primarily used for LDAPS, which stands for Lightweight Directory Access Protocol Secure. This protocol extends LDAP to provide secure communication by using SSL (Secure Sockets Layer) or TLS (Transport Layer Security). When data is transmitted over LDAPS, it is encrypted, ensuring the security and confidentiality of the information being exchanged.

LDAPS is crucial in environments where secure access to directory services is necessary, such as in user authentication and authorization processes within an organization. It enhances the security of LDAP by protecting the data from eavesdropping and man-in-the-middle attacks.

Other listed options involve different protocols that use different ports:

- LDAP typically uses port 389 for non-secure communications.

- HTTPS uses port 443 for secure web communications.

- SNMP operates on ports 161 and 162 for network management.

Understanding these distinctions highlights the importance of LDAPS on port 636 for secure directory service interactions.