firewall-cmd --new-zone=mysql --permanent
firewall-cmd --reload
firewall-cmd --get-zones
firewall-cmd --zone=mysql --add-source=192.168.0.0/24 --permanent
firewall-cmd --zone=mysql --add-port=3306/tcp --permanent
firewall-cmd --reload
参考:
https://blog.csdn.net/firstcode666/article/details/121870807