dbPortNumber

The port number on which the database accepts connections.

The value of the DBPortNumber parameter must not match any of the port values specified for options in the option group for the DB instance.

If you change the DBPortNumber value, your database restarts regardless of the value of the ApplyImmediately parameter.

This setting doesn't apply to RDS Custom DB instances.

Valid Values: 1150-65535

Default:

• Amazon Aurora - 3306

• RDS for Db2 - 50000

• RDS for MariaDB - 3306

• RDS for Microsoft SQL Server - 1433

• RDS for MySQL - 3306

• RDS for Oracle - 1521

• RDS for PostgreSQL - 5432

Constraints:

• For RDS for Microsoft SQL Server, the value can't be 1234, 1434, 3260, 3343, 3389, 47001, or 49152-49156.