https://blog.csdn.net/codewarrior_/article/details/79570086
https://blog.csdn.net/sdd220/article/details/77716824/
https://www.cnblogs.com/leoxuan/p/8275343.html
查看狀態:
firewall-cmd --state
systemctl status firewalld
查看端口開放情況:
firewall-cmd --list-ports
開放端口:
firewall-cmd --zone=public --add-port=80/tcp --permanent
返回success爲成功
命令含義:
--zone #作用域
--add-port=80/tcp #添加端口,格式爲:端口/通訊協議
--permanent #永久生效
重啓防火牆:
systemctl restart firewalld.service
關閉防火牆:
systemctl stop firewalld.service
禁止firewall開機啓動
systemctl disable firewalld.service
查看監聽(Listen)的端口
netstat -lntp
檢查端口被哪個進程佔用
netstat -lnp|grep 8080