Current File : //usr/lib/firewalld/services/dhcpv6.xml

<?xml version="1.0" encoding="utf-8"?>
<service>
  <short>DHCPv6</short>
  <description>This allows a DHCPv6 server to accept messages from DHCPv6 clients and relay agents.</description>
  <port protocol="udp" port="547"/>
</service>