Centos7安裝防火牆firewall

安裝

1.下載

yum install -y firewalld
yum install -y firewall-config 

2.啟動

systemctl start firewalld # 啟動
systemctl status firewalld #查看firewalld當前狀態
systemctl enable firewalld # 開機啟動
systemctl stop firewalld # 關閉
systemctl disable firewalld # 取消開機啟動

使用

1.查看開放端口命令

firewall-cmd --list-ports

2. 添加開放端口

firewall-cmd --zone=public --add-port=5000/tcp --permanent  #對外網全部開放
firewall-cmd --zone=public --permanent --add-rich-rule 'rule family=ipv4 source address=192.168.0.1/24 port port=22 protocol=tcp accept' #添加端口開放
firewall-cmd --permanent --remove-rich-rule 'rule family=ipv4 source address=192.168.0.1/2 port port=5000 protocol=tcp accept' #刪除端口開放