阿里雲配置安全組後，仍沒法訪問端口問題

ubuntu的ufw如何開放特定端口? 1.安裝web sudo apt-get install ufw 2.開啓ubuntu sudo ufw enable 默認關閉外部訪問bash sudo ufw default deny 3.查看狀態tcp $ sudo ufw status WARN: uid is 0 but '/etc' is owned by 755 Status: active

>>阅读原文<<