linux防火牆開啓、關閉、狀態查看相關命令

關閉防火牆命令：systemctl stop firewalld.serviceip 開啓防火牆：systemctl start firewalld.serviceit 關閉開機自啓動：systemctl disable firewalld.servicetable 開啓開機啓動：systemctl enable firewalld.serviceiptables 防火牆狀態查看：systemct

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