Ubuntu Firewall Experiment

This lab demonstrates how to use the UFW firewall for Alibaba Cloud ECS instances in the Ubuntu system.The firewall of the server is actually a wall of code that separates the server from the external network. The firewall checks all the packets that attempt to pass through and decides whether to intercept or permit the packets.

💡 이 튜토리얼은 영어로 번역되었습니다. 원본을 보려면 영어로 전환