// Aula 4 - Trabalhando com NAT e Port Fowarding

firewall-cmd --permanent --zone=dmz --add-rich-rule='rule family=ipv4 source address=10.0.0.0/24 masquerade'

# firewall-cmd --add-forward-port=port=4404:proto=tcp:toport=22:toaddr=192.168.0.210