显示当前所有的规则

firewall-cmd --list-all

添加一条规则  例 port=3306

firewall-cmd --permanent --add-port=3306/tcp

删除某个端口

firewall-cmd --permanent --remove-port=3306/tcp

 添加多个端口

firewall-cmd --permanent --zone=public --add-port=8080-8083/tcp

重启防火墙让规则生效

firewall-cmd --reload

 
开启防火墙
systemctl start firewalld.service
防火墙开机启动
systemctl enable firewalld.service
关闭防火墙
systemctl stop firewalld.service
查看防火墙状态

firewall-cmd --state

 
 针对某个 IP开放端口

firewall-cmd --permanent --add-rich-rule="rule family="ipv4" source address="192.168.123.123" port protocol="tcp"
port="6379" accept" firewall-cmd --permanent --add-rich-rule="rule family="ipv4" source address="192.168.0.233" accept"

 删除某个IP

firewall-cmd --permanent --remove-rich-rule="rule family="ipv4" source address="192.168.123.123" accept"

针对一个ip段访问

firewall-cmd --permanent --add-rich-rule="rule family="ipv4" source address="192.168.0.0/16" accept" firewall-cmd
--permanent --add-rich-rule="rule family="ipv4" source address="192.168.1.0/24" port protocol="tcp" port="9200" accept"