How the Internet Works: HTTP, TCP, and TLS in Action

Learn how HTTP, HTTPS, and TCP/IP work together in client-server communication. Understand protocols, ports, the OSI model, TLS encryption, and how real-world attacks like the Kazakhstan MITM were prevented.

#networkengineering #cybersecurity #indiehackers
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How Internet Works: https://www.youtube.com/watch?v=TNQsmPf24go&t=771s

https://www.youtube.com/watch?v=9R47Lwl7KsQ

00:00 Recommended Video
00:13 HTTP, HTTPS
00:50 Different Protocols
01:11 Protocols and Ports
01:18 Client–Server Communication (HTTP)
03:17 HTTP Port 80 and nginx (web server)
04:21 HTTP vs HTTPS
04:37 OSI Model — Transport Layer (TCP)
05:16 TCP 3-Way Handshake
07:41 OSI Model — Other Layers
08:21 TLS — Understanding the Problem
08:57 Certificate Authority & Certbot
10:36 Looking at a Certificate
11:03 How TLS Works — Public/Private Keys
11:52 Symmetric and Asymmetric Keys
12:36 Symmetric Keys and Limitations
14:02 Asymmetric Keys
14:48 Hybrid Approach for TLS
16:06 TCP, then TLS
16:28 Kazakhstan MITM Attack
18:24 How the Attack Was Prevented

Видео How the Internet Works: HTTP, TCP, and TLS in Action канала Madme Codes