沧海一粟

查看防火墙是否开启


systemctl start friewall.service

//开启防火墙

firewall-cmd --state

//查询防火墙运行状态
firewall-cmd --list-all

添加防火墙规则
放行单个端口
firewall-cmd --permanent --add-port=80/tcp

//开放80端口，允许外面访问

放行某一段端口号
firewall-cmd --permanent --zone=public --add-port=1000-2000/tcp

firewall-cmd --reload

放行某个ip进行访问
firewall-cmd --permanent --add-rich-rule='rule family=ipv4 source address=192.168.1.169 accept'

firewall-cmd --reload

放行某段IP进行访问
firewall-cmd --permanent --add-rich-rule='rule family=ipv4 source address=10.0.0.0/24 accept'

禁止某个ip进行访问
firewall-cmd --permanent --add-rich-rule='rule family=ipv4 source address=10.0.0.42 drop'

firewall-cmd --reload

放行某个ip访问某个端口
firewall-cmd --permanent --add-rich-rule='rule family=ipv4 source address=192.168.1.169 port protocol=tcp port=6379 accept'

firewall-cmd --reload

移除防火墙规则
移除一条规则
firewall-cmd --permanent --remove-port=80/tcp

firewall-cmd --reload

移除以上规则
firewall-cmd --permanent --remove-rich-rule='rule family="ipv4" source address="192.168.1.169" port port="6379" protocol="tcp" accept'

firewall-cmd --reload