This topic describes how to add IP addresses to the whitelist for an AnalyticDB for MySQL (ADB) data source.
Procedure
Navigate to the destination cluster.
Log on to the ADB console.
In the upper-left corner of the page, select the region where the ADB cluster is located.
In the navigation pane on the left, click Cluster List.
On the Data Warehouse (3.0) tab, click the ID of the destination cluster.

On the details page of the destination cluster, click Data Security in the navigation pane on the left.
On the Whitelist Settings page, click Modify to the right of the destination group. You can also click Create Whitelist Group to create a custom group.

Copy the IP addresses of the OceanBase Data Transmission Service servers from the Add Data Source dialog box in the OMS console and add them to the Modify Whitelist Group dialog box.
The changes to the whitelist take effect in about one minute.

Click OK.