/usr/lib/firewalld/services/ Current File: //usr/lib/firewalld/services/kdeconnect.xml

<?xml version="1.0" encoding="utf-8"?>
<service>
  <short>KDE Connect</short>
  <description>KDE Connect is an application to connect your phone to your computer.</description>
  <port port="1714-1764" protocol="tcp"/>
  <port port="1714-1764" protocol="udp"/>
</service>