Oauth2 Redirect URL http / https

Hi,

in our organization we connect to some of our data which is stored on Azure by a Microsoft API.

For this, we use the Oauth2 connector.

Our redirect URL is https://localhost:xxxxx/ and our redirects never work. We are not allowed to use http.

The Oauth2 Authenticator window suggests that the Redirect URL has to be http. Is our understanding correct?

What can we do to connect to our data with a https redirect URL?

Thanks

CJ