centos firewall防火墙操作指令记录

1. 查看防火墙状态

systemctl status firewalld.service

2. 关闭防火墙

systemctl stop firewalld.service

3. 开机自动关闭防火墙

systemctl disable firewalld.service

4. 查看开放的端口号

firewall-cmd --list-ports

5. 开放对应的端口号

firewall-cmd --zone=public --ad-port=8080/tcp --permanent

6. 关闭端口号

firewall-cmd --zone=public --remove-port=8080/tcp --permanent

7. 重启防火墙

firewall-cmd --reload

8. 开机启动防火墙

systemctl enable firewalld.service