Oracle Database Component Port Numbers and Protocols
This table lists the port numbers and protocols configured for Oracle Database components during a single-instance installation. By default, the first port in the range is assigned to the component, if it is available.
Table D-1 Protocols and Default Port Numbers for Oracle Database Components
| Component | Description | Default Port Number | Port Range | Protocol | 
|---|---|---|---|---|
| Oracle Net Services Listener | Enables Oracle client connections to the database over the Oracle Net Services protocol. You can configure it during installation. To reconfigure this port, use Net Configuration Assistant. | 1521 | Port number changes to the next available port. Modifiable manually to any available port. | TCP | 
| Oracle Connection Manager | Listening port for Oracle client connections to Oracle Connection Manager. It is not configured during installation, but can be configured manually by editing the  | 1630 | 1630 | TCP | 
| Oracle XML DB | The Oracle XML DB HTTP port is used if web-based applications must access an Oracle database from an HTTP listener. You must configure this port manually. | 0 | Configured Manually | HTTP | 
| Oracle XML DB | The Oracle XML DB FTP is used when applications must access an Oracle database from an FTP listener. You must configure this port manually. | 0 | Configured Manually | FTP |