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Oracle SSL Listener
Port 2484 is primarily used by Oracle Database systems to accept SSL-encrypted client connections to the Oracle Net Listener service. This secure communication channel ensures confidentiality and integrity of data transmitted between Oracle clients and the database server..
Port 2484 is designated for Oracle Net Listener (commonly known as 'TNS Listener') when configured to handle incoming SSL-encrypted connections. Oracle databases use this listener service as the primary entry point for client-server communication, managing connection requests and routing them appropriately based on database service metadata.
When SSL is enabled, network traffic is encrypted to prevent eavesdropping, tampering, and impersonation threats. The SSL implementation supports mutual authentication via digital certificates, thus enhancing trust between client and server. Oracle Listener configured on 2484 typically coexists with standard listener on port 1521 which handles unencrypted traffic, but 2484 is dedicated to secure communication.
Supporting both TCP and UDP, port 2484 facilitates reliable connection-oriented traffic via TCP and connectionless scenarios via UDP. The SCTP protocol is not generally used with Oracle Listeners, so SCTP status is false by default. Proper SSL configuration requires managing wallet files and valid certificate chains within Oracle Database configurations.