firewall-cmd --permanent --list-all firewall-cmd --permanent --zone=public --add-port=XXXX/tcp firewall-cmd --reload
firewall-cmd --permanent --add-rich-rule='rule family="ipv4" source address="x.x.x.x/32" port port="22" protocol="tcp" accept' firewall-cmd --reload
admin 1 ноября, 2018