linux 7.X防火牆端口命令

1、查看當前防火牆的狀態命令：firewall-cmd --state 2、啓動防火牆：systemctl start firewalld 3、關閉防火牆：systemctl stop firewalld 4、重啓防火牆：firewall-cmd --reload 或者 systemctl restart firewalld 5、查看已開放端口：firewall-cmd --list-ports

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