medium
Single Answer
John is performing a port scan of a network as part of a security audit. He notices that the domain controller is using secure LDAP. Which of the following ports would lead him to that conclusion?
Answer Options
A
53
B
389
C
443
D
636
Correct Answer: D
Explanation
Secure Lightweight Directory Access Protocol (LDAPS) uses port 636 by default. DNS uses port 53, LDAP uses 389, and secure HTTP uses port 443.