Change default port in RAC

Requirement:
Changed the database default port from 1521 to 1523 for resolve the “Oracle Database TNS Listener Poison Attack Vulnerability”.

1. Modify port using srvctl tool

srvctl modify scan_listener -p 1523
srvctl modify listener -p 1523

2. update the local and remote listener in spfile for all the respective nodes.

3. update the port information in Oracle Network files e.g. listener.ora and tnsnames.ora

Reference:
https://oracleforyou.wordpress.com/2013/04/17/18/

Leave a Reply

Fill in your details below or click an icon to log in:

WordPress.com Logo

You are commenting using your WordPress.com account. Log Out /  Change )

Google+ photo

You are commenting using your Google+ account. Log Out /  Change )

Twitter picture

You are commenting using your Twitter account. Log Out /  Change )

Facebook photo

You are commenting using your Facebook account. Log Out /  Change )

Connecting to %s

This site uses Akismet to reduce spam. Learn how your comment data is processed.