Current File : //usr/lib/firewalld/services/etcd-server.xml
<?xml version="1.0" encoding="utf-8"?>
<service>
  <short>etcd Server</short>
  <description>etcd implements a distributed key value store that provides a reliably way to store data across a cluster of machines. This is the server side port.</description>
  <port port="2380" protocol="tcp"/>
</service>