# firewall-cmd --permanent --new-service=Charon
success
# firewall-cmd --permanent --service=Charon --add-port=10003/tcp
success
# firewall-cmd --permanent --service=Charon --add-port=10003/udp
success
# firewall-cmd --get-active-zones
public
  interfaces: ens34 ens35
# firewall-cmd --zone=public --permanent --add-service=Charon
success
# firewall-cmd --reload
success