查看已经开放的端口：
firewall-cmd –list-ports
开启端口:
firewall-cmd –zone=public –add-port=8080/tcp –permanent
关闭端口：
firewall-cmd –permanent –zone=public –remove-port=8080/tcp
开启防火墙：
systemctl start firewalld
重启防火墙:
firewall-cmd –reload #重启
firewall systemctl stop firewalld.service #停止
firewall systemctl disable firewalld.service #禁止firewall开机启动
原创文章，作者：ItWorker，如若转载，请注明出处：https://blog.ytso.com/281866.html