Disable STUN to avoid aioice errors in restricted environments

app.py

@@ -95,6 +95,6 @@ webrtc_streamer(
     key="monitor",
     video_processor_factory=VideoProcessor,
     rtc_configuration=RTCConfiguration(
-        {"iceServers": [{"urls": ["stun:stun.l.google.com:19302"]}]}
-    )
+    {"iceServers": []}  # Disable STUN to avoid aioice errors in restricted environments
+)
 )