Why is it a bad idea to use port 389 for LDAP communication between Clearpass and your Active Directory?

What is LDAP: LDAP stands for Lightweight Directory Access Protocol. As the name suggests, it is a lightweight client-server protocol for accessing directory services, specifically X.500-based directory services. LDAP runs over TCP/IP or other connection-oriented transfer services. LDAP is defined in RFC2251 "The Lightweight Directory Access Protocol (v3).   Connection between LDAP and Clearpass: On [...]