Esta es una API. Usa portal.php para la interfaz.
?action=ping?action=health?action=diag?action=admin&subaction=logincurl -s -X POST 'https://tv.dnns.es/index.php?action=admin&subaction=login' \ -H 'Content-Type: application/x-www-form-urlencoded' \ --data 'username=Oberlus&password=CLAVE'