The sat-nms WebGUI backend server uses HTTPS for all communication. Unsecured HTTP calls are not accepted. In most cases a non-standard port number is used by the server, details about the port and also about the certificate provided by the server may vary for every installation of the software.
The backend server uses OAuth2 for authorization. It may be configured to accept JWTs issued by an external provider. In parallel the backend server provides a service for obtaining and renewing access tokens as well.