<ul><li>HTTP, a core protocol for internet data transfer, is simple yet crucial in server-client communication.</li><li>HTTP is an application layer protocol, requiring a transport layer protocol like TCP/IP for data exchange.</li><li>HTTP is not inherently secure, leading to the addition of HTTPS for encryption.</li><li>HTTP functions on a request-response model, following specific rules for consistent communication.</li><li>HTTP messages have a structured format: description line, headers, empty line, and message body.</li><li>Building an HTTP server from scratch involves handling TCP communication and parsing request messages.</li><li>Reading headers, extracting content length, and managing request bodies are key server functions.</li><li>Server responses involve constructing appropriate header and body content for client interaction.</li><li>Adding features like routing, response patterns, and middleware can enhance server functionality.</li><li>HTTP's popularity lies in its simplicity, readability, and universal applicability across devices.</li></ul>

Under the hood: What can you learn by building an HTTP Server from scratch?

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