D Managing Oracle Database Port Numbers

Review default port numbers. If needed, use these steps to change assigned ports after installation.

• About Managing Ports
  During installation, Oracle Universal Installer assigns port numbers to components from a set of default port numbers.
• 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.