The listener is a process that listens for client connection requests. It receives incoming client connection requests and manages the
traffic of these requests to the database.
Before connecting to a target database or repository database instance, you can use the STATUS command to verify the listener configuration.
About this task
command displays basic status information about a specific listener, including a
summary of listener configuration settings, listening protocol
addresses, and a summary of services registered with that listener.
- Enter the following command at the command prompt: lsnrctl STATUS
The default value assigned to the listener port is 1521.