diff --git a/example.config.yml b/example.config.yml
index e801f28b2..8101b8c2e 100644
--- a/example.config.yml
+++ b/example.config.yml
@@ -112,6 +112,7 @@ firewall_allowed_tcp_ports:
   - "80"
   - "81"
   - "443"
+  - "4444"
   - "8025"
   - "8080"
   - "8443"