Edit File: internal.xml
<?xml version="1.0" encoding="utf-8"?> <zone> <short>Internal</short> <description>For use on internal networks. You mostly trust the other computers on the networks to not harm your computer. Only selected incoming connections are accepted.</description> <service name="ssh"/> <service name="mdns"/> <service name="samba-client"/> <service name="dhcpv6-client"/> <service name="cockpit"/> </zone>