Answer by Kramer for Ports not really open after firewalld command

make sure the network interface is succesfully added to zone "public", normally only the default net card is (i.e. eth0). To add an interface with a zone:

#firewall-cmd --permanent --zone=public --add-interface=<interface_name>

To know what interfaces you have try:

#ipaddr

OR

#ifconfig

add the interface provinding the IP 10.0.1.200

In the future, when posting the command you run, please also post the output of the command, that helps to understand and debug the problem.

HTH :)