Http & Https: From Knowing Nothing To Knowing Everything!

Master HTTP & HTTPS from scratch: headers, methods, cookies, SSL/TLS, HTTPS setup, security, HTTP/2, and more.

What you'll learn

Understand how HTTP and HTTPS work, including methods, headers, cookies, and status codes

Build and secure RESTful APIs using real-world HTTP implementations

Configure HTTPS with SSL/TLS on Apache and NGINX using self-signed and Let's Encrypt certificates

Apply security measures like CSP, HSTS, secure headers, and prevent XSS/CSRF attacks

Analyze and debug HTTP traffic using browser tools and performance optimization techniques

Differentiate between HTTP/1.1, HTTP/2, and HTTP/3 and their impact on performance

Requirements

No prior knowledge of HTTP or HTTPS is required — this course starts from the very beginning

Description

Dive deep into the web’s most essential communication protocols in this complete HTTP & HTTPS course — designed to take you from absolute beginner to confident implementer. Whether you're a developer, security enthusiast, or just curious about how the web works, this course gives you a full-spectrum, hands-on understanding of modern web communication and security.Inside the course, you’ll find:Over 70 bite-sized lectures, each with a “Set the Scene” real-world scenario to make every concept practical, relatable, and easy to understand.7 real-world practical workshops to apply what you learnMore than 70 downloadable resources, including PDFs, and zipped code examples15 interactive quizzes to reinforce every key concept10+ recap sessions to summarize and review your progressYou’ll start by understanding the fundamentals of HTTP — its methods, headers, status codes, cookies, and RESTful APIs — and gradually move into the world of HTTPS, SSL/TLS, encryption, secure headers, XSS, CSRF protection, and more.You’ll also configure HTTPS on local servers (Apache and NGINX) using both self-signed and Let's Encrypt certificates, explore HTTP/2 and HTTP/3, and learn how to improve performance through caching, compression, and best practices.By the end of this course, you will:Confidently explain how HTTP works, including methods, headers, cookies, and status codesBuild and debug RESTful APIs using core HTTP methods in real-world projectsImplement HTTP headers for caching, content negotiation, and securityUnderstand HTTPS, SSL/TLS, and the full handshake processConfigure secure HTTPS connections on Apache and NGINX using certificatesIdentify and fix mixed content issues using CSP and HSTSOptimize web performance with caching, compression, and HTTP best practicesAnalyze web traffic using browser developer toolsProtect applications from common vulnerabilities like XSS and CSRF using secure headersStay current with evolving protocols like HTTP/2 and HTTP/3Get CertifiedEvery student who completes this course will receive an official Certificate of Completion from Udemy — a powerful addition to your professional profile. Whether you're applying for jobs, freelancing, or building your web career, this certificate shows that you're fluent in HTTP, HTTPS, and secure web communication.Start now and become fluent in the language of the web.

Overview

Section 1: Introduction to HTTP

Lecture 1 What is a Protocol?

Lecture 2 What is HTTP?

Lecture 3 How does the HTTP protocol function?

Lecture 4 What are the key components of an HTTP request and response?

Lecture 5 How are URLs used in the context of HTTP?

Lecture 6 What are HTTP methods?

Lecture 7 What are HTTP status codes?

Section 2: HTTP Headers

Lecture 8 What is the purpose of headers in HTTP?

Lecture 9 What are common request and response headers?

Lecture 10 What are caching and content negotiation with headers?

Lecture 11 Recap of HTTP Headers

Lecture 12 Quiz

Section 3: HTTP Headers Practical Workshop

Lecture 13 Working with HTTP Headers: Hands-on Implementation

Section 4: HTTP Cookies and Session Management

Lecture 14 What are HTTP cookies, and how are they used?

Lecture 15 What Are Sessions and How Do Sessions and Cookies Interact in Web Applications?

Lecture 16 What are Set-Cookie and Cookie headers?

Lecture 17 Recap of HTTP Cookies and Session Management

Lecture 18 Quiz

Section 5: HTTP Methods

Lecture 19 What are the primary HTTP methods, including GET, POST, PUT, DELETE, and PATCH?

Lecture 20 How do these HTTP methods differ in their functionality?

Lecture 21 What is the significance of RESTful API in the context of HTTP?

Lecture 22 Recap of HTTP Methods

Lecture 23 Quiz

Section 6: Practical HTTP Methods and CRUD Operations

Lecture 24 Building a RESTful API with HTTP Methods

Section 7: HTTP Status Codes

Lecture 25 What Are HTTP Status Codes? A Detailed Explanation

Lecture 26 What Are the Categories of Status Codes, Such as 1xx, 2xx, 3xx, 4xx, and 5xx?

Lecture 27 Recap of HTTP Status Codes

Lecture 28 Quiz

Section 8: Understanding HTTPS

Lecture 29 What is HTTPS, and how does it differ from HTTP?

Lecture 30 What is the Role of SSL and TLS in Providing Security for Web Communication?

Lecture 31 How Does Encryption Contribute to Secure Socket Layering?

Lecture 32 Can you elaborate on the concept of Transport Layer Security (TLS)?

Lecture 33 Recap of Understanding HTTPS

Lecture 34 Quiz

Section 9: SSL/TLS Handshake Process

Lecture 35 What is the SSL/TLS handshake process?

Lecture 36 What role does a Certificate Authority (CA) play in SSL/TLS?

Lecture 37 Can you explain the significance of Public Key Infrastructure (PKI)?

Lecture 38 Recap of SSL/TLS Handshake Process

Lecture 39 Quiz

Section 10: Security Measures in HTTPS

Lecture 40 What measures ensure secure communication in HTTPS?

Lecture 41 What Encryption Is, When It’s Done, and How It Works (revision)?

Lecture 42 What is the detailed life cycle of the digital certificates (revision)?

Lecture 43 What are cryptographic hash functions and why they are important?

Lecture 44 Recap of Security Measures in HTTPS

Lecture 45 Quiz

Section 11: Mixed Content and Content Security Policy (CSP)

Lecture 46 What is mixed content, and why is it important to address?

Lecture 47 What is Content Security Policy (CSP) and How Does it Enhance Web Security?

Lecture 48 What is the significance of HTTP Strict Transport Security (HSTS)?

Lecture 49 Recap of Mixed Content and Content Security Policy (CSP)

Lecture 50 Quiz

Section 12: Securing HTTP with CSP and HSTS

Lecture 51 Enhancing Security with Content Security Policy and HTTP Strict Transport

Section 13: HTTP/2 and HTTP/3 Protocols

Lecture 52 How does HTTP/2 improve communication compared to its predecessor?

Lecture 53 What are the key features of HTTP/2, such as multiplexing and header compression

Lecture 54 What is QUIC, and how does it relate to HTTP/3?

Lecture 55 Recap of HTTP/2 and HTTP/3 Protocols

Lecture 56 Quiz

Section 14: Practical Implementation of HTTPS

Lecture 57 What steps are involved in setting up HTTPS?

Lecture 58 Configure SSL/TLS on Apache for Windows, macOS & Linux (With Domain)

Lecture 59 Configure SSL/TLS on Apache for Windows, macOS & Linux (Without Domain)

Lecture 60 Configure SSL/TLS on NGINX for Windows, macOS & Linux (With Domain)

Lecture 61 Configure SSL/TLS on NGINX for Windows, macOS & Linux (Without Domain)

Section 15: Working with HTTPS: SSL/TLS Setup

Lecture 62 Setting Up HTTPS: Practical SSL/TLS Configuration

Section 16: HTTP Best Practices

Lecture 63 What are the best practices for optimizing HTTP performance?

Lecture 64 How does caching contribute to improved performance and how to implement it?

Lecture 65 What role does compression play in HTTP best practices and how to implement it?

Lecture 66 Why is minification important in web development and how to implement it?

Lecture 67 Recap of HTTP Best Practices

Lecture 68 Quiz

Section 17: Performance Optimization with Caching and Compression

Lecture 69 Optimizing HTTP Performance: Caching and Compression

Section 18: Tools for Analyzing HTTP Traffic

Lecture 70 What developer tools are available for analyzing HTTP traffic?

Lecture 71 How do browser extensions assist in HTTP traffic analysis?

Lecture 72 How can HTTP traffic analysis be used for performance optimization?

Lecture 73 Recap of Tools for Analyzing HTTP Traffic

Lecture 74 Quiz

Section 19: HTTP Traffic Analysis in Practice

Lecture 75 Analyzing HTTP Traffic with Browser Tools and Extensions

Section 20: HTTP Security Best Practices

Lecture 76 What are the fundamental security best practices for HTTP?

Lecture 77 How can secure headers enhance web application security?

Lecture 78 XSS & CSRF: Common Web Vulnerabilities and How to Prevent Them?

Lecture 79 Recap of HTTP Security Best Practices

Lecture 80 Quiz

Section 21: HTTP Security Best Practices

Lecture 81 Implementing HTTP Security Best Practices: XSS and CSRF Prevention

Section 22: Future of HTTP

Lecture 82 What are the emerging technologies in the future of HTTP?

Lecture 83 Quiz

Section 23: Course Conclusion and Next Steps

Lecture 84 Wrap-Up

Beginner developers who want to deeply understand how the web works under the hood,Web developers looking to strengthen their foundation in HTTP, HTTPS, and web security,Cybersecurity students who need practical, hands-on experience with secure communication protocols,Backend engineers who work with RESTful APIs and server configurations,Anyone curious about how browsers and servers exchange data securely