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Google

Client-Server Communication

Google via Udacity

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Overview

We use websites all the time, but how does clicking a link in your browser or typing in a URL in the address bar get you to a website? How does the server know what information you're looking for or how to send you that information once it's figured that out? How can you protect your users from attackers? Dig into this course and you'll be able to answer these questions!

This course will guide you through how a client communicates with a server. You'll learn about HTTP's request and response cycle, dig into HTTP headers and verbs, distinguish HTTP/1 from HTTP/2 capabilities, all while experiencing the importance of security by digging into the details of HTTPS. Throughout the course, you'll learn both security best practices, as well as ways to improve the performance of your web apps. We'll provide you with handcrafted servers where you'll diagnose problematic server setups, issues with SSL certificates, and even have a chance to hack an example bank website to transfer funds.

Syllabus

  • HTTP’s Request Response Cycle
    • Learn about HTTP's request and response cycle.,What makes up an HTTP requests and response?,What originates an HTTP request and how do they relate to one another?
  • HTTP/1
    • Find out how HTTP/1 is used in practice.,Map the requests and response types from lesson 1 into HTTP verbs and response codes & headers.
  • HTTPS
    • How does HTTPS differ from HTTP?,TLS, cryptography, and Certificate Authorities.,HTTP Mixed Content issues.
  • HTTP/2
    • Learn how HTTP/2 improves on and extends HTTP/1.,Look at optimizations for HTTP/1 that are now anti-patterns in HTTP/2.
  • Security
    • Look at and resolve common security problems like CORS, CSRF, XSS, and more!

Taught by

Surma and Richard Kalehoff

Tags

Reviews

4.5 rating, based on 2 Class Central reviews

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  • Profile image for David Baldie
    David Baldie
    It starts out very basic, covering stuff you likely already know. Then it ramps up when you get to http2, and spends a good amount of time on security towards the end. Each section is pretty short with a quick video or 2 followed by short quiz. The quizzes are usually just 1 question, but require you to do a good amount of work. You can tell they've done their prep work as the quizzes are made pretty well. There are a couple of answers that you'll probably not get (others have had difficulty as well, as you might see in the forums for this course). Overall, I learned a decent amount and reinforced a lot of what I did know.
  • Andrei Razvan Maresu
    The course present the HTTP2 and compare HTTP/1.1 with HTTP2.
    Also show HTTPS and how to improve security for your website.
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