🛡️ The Ultimate Guide: NAT, Proxy, VPN, Firewall — Deep Dive into Network Security
📜 Introduction — Why This Guide Exists The internet, as it was originally designed, had no concept of privacy, security, or scale. It was a small academic experiment, never intended for billions of users or the commercial world. As the internet expanded rapidly in the 1990s and 2000s, several critical problems emerged: To patch these … Read more