FirewalIID is not running.
systemctl status firewalld
如果是dead状态,即防火墙未开启。
systemctl start firewalld
systemctl status firewalld

systemctl unmask firewalld
firewall-cmd --permanent --zone=public --add-port=3306/tcp
firewall-cmd --zone=public --add-port=3306/tcp --permanent
firewall-cmd --zone=public --add-port=80/tcp --permanent
firewall-cmd --zone=public --list-ports

参考资料:
https://www.cnblogs.com/linuxandy/p/10861760.html
https://blog.csdn.net/weixin_39902085/article/details/111177438
来自 “ ITPUB博客 ” ,链接:https://blog.itpub.net/69949806/viewspace-2917460/ ,如需转载,请注明出处,否则将追究法律责任。