Authentication can be enabled for a data source on the Edit Data Source page. After authentication is enabled, you select an authentication scheme and credentials.
To enable authentication, follow these steps.
From the Data Sources page, select a data source.
In the Edit Data Source page, expand Enable Authentication.
Select a predefined authentication scheme by setting the respective slider to On.
Select an authentication credentials from the Credentials dropdown list that appears.
Click Preview Data Source (optional).
Click Save Data Source.