fixed #2

api/views.py

@@ -59,6 +59,7 @@ def query(request):
     icinga_url = request.headers['Icinga-Url']
     headers = {
         'Accept': 'application/json',
+        'Connection': 'close',      # close the connection, otherwise WAFs like CloudFlare keep the connection in state TCP_CLOSE (forever)
         'X-HTTP-Method-Override': 'GET'
         }