Log where a request came from in federation

synapse/federation/transport/server.py

@@ -93,6 +93,8 @@ class TransportLayerServer(object):
 
         yield self.keyring.verify_json_for_server(origin, json_request)
 
+        logger.info("Request from %s", origin)
+
         defer.returnValue((origin, content))
 
     @log_function