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

<?xml version="1.0" encoding="utf-8"?>
<service>
  <short>Galera</short>
  <description>MariaDB-Galera Database Server</description>
  <port protocol="tcp" port="3306"/>
  <port protocol="tcp" port="4567"/>
  <port protocol="tcp" port="4568"/>
  <port protocol="tcp" port="4444"/>
</service>