For the RDS, you can set the IP source allowed to access this instance through the whitelist. The IP source can be separated with an English comma or space. % represents all IPs. It supports CIDR mode (such as 10.10.0.0/16).

1. On the “Whitelist Settings” page of the instance, you can see the whitelist list.
2. Click "Add IP", enter the whitelist you want to add in the pop-up dialog box,. You can add it after confirmation.

3. After selecting the whitelist you want to delete, click "Delete" to complete the deletion of the whitelist.