linux 7.X防火墙端口命令

1、查看当前防火墙的状态命令：firewall-cmd --state 2、启动防火墙：systemctl start firewalld 3、关闭防火墙：systemctl stop firewalld 4、重启防火墙：firewall-cmd --reload 或者 systemctl restart firewalld 5、查看已开放端口：firewall-cmd --list-ports

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