How to modify the port in oracle

Oracle port modification process includes the following steps: Edit the listener.ora configuration file and change the port number in the PORT line. Stop and restart the Oracle listener service. (Optional) Update the connection string in the tnsnames.ora file. Test the database connection using the new port number.

How to modify the Oracle port

Modifying the Oracle port is a relatively simple process that involves changing configuration files and servers set up. The following are detailed steps:

Step 1: Edit the configuration file

1. Use a text editor to open the Oracle configuration filelistener.ora . It is usually located in the %ORACLE_HOME%/network/admin directory.
2. Find the LISTENER section.
3. Modify the port number in the PORT line. For example, change PORT = 1521 to PORT = new port number.

Step 2: Restart the listener

1. Stop the Oracle listener service: lsnrctl stop
2. Start the Oracle listener service: lsnrctl start

Step 3: Update the tnsnames.ora file (optional)

TNSNAMES The database connection string is stored in the .ORA file. After modifying the port, you may need to update the connection string in this file.

1. Use a text editor to open the tnsnames.ora file. It is usually located in the %ORACLE_HOME%/network/admin directory.
2. Find the database connection string to be modified.
3. Update the port number in the connection string to make sure it matches the new port number.

Step 4: Test the connection

Test the connection using the new port number to make sure everything is working properly.

1. Try to connect to the database using SQL*Plus or other client tools.
2. If the connection is successful, the port modification has been successful.

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