CentOS7 firewalld相關命令

1、firewalld的基本使用

安裝防火牆：yum install firewalld systemd -y

啟動： systemctl start firewalld

關閉： systemctl stop firewalld

檢視狀態： systemctl status firewalld 

firewall-cmd --state

開機禁用  ： systemctl disable firewalld

開機啟用  ： systemctl enable firewalld

2、開啟關閉埠

單個新增

firewall-cmd --zone=public --add-port=80/tcp --permanent

firewall-cmd --zone=public --add-port=100-500/tcp --permanent

firewall-cmd --zone=public --add-port=100-500/udp --permanent

重新載入

firewall-cmd --reload

firewall-cmd --zone=public --query-port=80/tcp

firewall-cmd --list-ports

firewall-cmd --zone=public --remove-port=80/tcp --permanent

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