OpenDJ server software uses the following TCP/IP ports by default. LDAP: 389 (1389) Ports389 (1389) OpenDJ directory server listens for LDAP requests from client applications on port 389 by default. OpenDJ directory server uses port 1389 by default for non-root users. LDAP is enabled by default. LDAPS: 636 (1636) Ports636 (1636) OpenDJ directory server listens for LDAPS requests from client applications on port 636 by default. OpenDJ directory server uses port 1636 by default for non-root users. LDAPS is not enabled by default. Administrative connections: 4444 Ports4444 OpenDJ directory server listens for administrative traffic on port 4444 by default. The administration connector is enabled by default. SNMP: 161, 162 Ports161 Ports162 OpenDJ directory server listens for SNMP traffic on port 161 by default, and uses port 162 for traps. SNMP is not enabled by default. JMX: 1689 Ports1689 OpenDJ directory server listens for Java Management eXtension traffic on port 1689 by default. JMX is not enabled by default. Replication: 8989 Ports8989 OpenDJ directory server listens for replication traffic on port 8989 by default. Replication is not enabled by default.