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

<?xml version="1.0" encoding="utf-8"?>
<service>
  <short>CTDB</short>
  <description>CTDB is a cluster implementation of the TDB database used by Samba and other projects to store temporary data.</description>
  <port protocol="tcp" port="4379"/>
  <port protocol="udp" port="4379"/>
</service>