1.查看默认防火墙状态
- firewall-cmd --state
2.查看防火墙的状态
- systemctl list-unit-files|grep firewalld.service
- 如果显示disabled,执行第三步
- 如果显示masked,取消masked状态
- systemctl unmask firewalld
3.开启防火墙
- systemctl start firewalld.service
4.添加开放的端口
- firewall-cmd --zone=public --add-port=8080/tcp --permanent
5.重新加载
- firewall-cmd --reload
6.查看开放的端口
- firewall-cmd --list-ports
详细内容可跳转该链接
https://blog.csdn.net/Rebs_Hugo/article/details/85042602