Edit File: syncthing.xml
<?xml version="1.0" encoding="utf-8"?> <service> <short>Syncthing</short> <description>Syncthing is a peer-to-peer file synchronization service. Enable this option, if you plan to run the Syncthing service.</description> <port protocol="tcp" port="22000"/> <port protocol="udp" port="22000"/> <port protocol="udp" port="21027"/> </service>