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.

💡 本教程由 AI 辅助翻译自英文原版。如需查看原文，您可以 切换至英文原版