Delete the Database Network Security Group

If your Oracle WebLogic Server for OCI domain is JRF-enabled and is connected to an Autonomous Database, then you can delete the security rules for the network security group (NSG).

WARNING:

Do not the delete the NSG security rules if other domains are in the same VCN and are using the same database.

1. Sign in to the Oracle Cloud Infrastructure Console.
2. From the navigation menu, click Networking, and then select Virtual Cloud Networks.
3. Select the Compartment where your database's virtual cloud network (VCN) is located.
4. Click the name of the database's VCN.
5. Click Network Security Groups.
6. Click the network security group for your domain.
7. Under Security Rules, select the security rule that has the description like Allow ingress traffic from WLS subnet on DB port.
8. Click Remove.
   If you to want to remove multiple security lists, then select the required check boxes, and then click Remove.
9. When prompted for confirmation, click Remove.