Gain insights into enforcing web app security best practices, such as HTTPS, defending against XSS and clickjacking, managing HTTP cookies, and warding off DDoS attacks.

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There are more vulnerabilities than ever when creating applications for the web, so it is extremely important that software developers enforce security best practices such as, how to add protection through HTTP headers.

In this course, you will start off by learning how to prevent fraudulent SSL certificates from being served to clients, before moving on to how to defend against XSS attacks and clickjacking. 

In the latter half of the course, you’ll learn security practices related to HTTP cookies, and tips around security tradeoffs that you’ll make in your day-to-day work. Towards the end, you’ll learn how to ward off DDoS attacks, which is crucial when your application scales.

This course will demystify web security, and help you stay on top of important security-related concerns in your web apps.

Web Application Security for the Everyday Software Engineer

HTTP has changed significantly over the past 20 years.

HTTP has not changed significantly over the past 20 years.

The technical implementation of how clients and servers talk to each other has not changed much.

Which of the following is correct?

The following is an HTTP ______.
```http
GET /players/shahid-afridi HTTP/1.1
Host: cricket.pk
Accept: */*
```

The following is an HTTP ______.
<pre><code class="language-http">GET /players/shahid-afridi HTTP/1.1
Host: cricket.pk
Accept: */*
</code></pre>

No, because the headers 'Coolness' and 'request-strike-rate' are invalid.

Is the following a valid HTTP request?

```http
GET /players/shahid-afridi HTTP/1.1
Host: cricket.pk
Accept: */*
Coolness: 9000
request-strike-rate: yes
```

Is the following a valid HTTP request?
<pre><code class="language-http">GET /players/shahid-afridi HTTP/1.1
Host: cricket.pk
Accept: */*
Coolness: 9000
request-strike-rate: yes
</code></pre>

H2 was a more secure version of HTTP/1.1.

H2 was a more secure version of HTTP/1.1.

HTTPS is a way to secure HTTP/1.1.

making sure your communication cannot be read by a third party

making sure your communication cannot be understood by a third party

making sure the party you are talking to is the one you meant to talk to

Authentication in the world of security is ___.

Authentication in the world of security is ___.

Encryption in the world of security is ____.

Encryption in the world of security is ____.

To authenticate a particular server by issuing a certificate with its own digital signature.

To speed up communication between two parties.

To provide servers with unsigned certificates

POST should be used over GET to send sensitive data to the server.

POST should be used over GET to send sensitive data to the server.

Introduction

Understanding The Browser

HTTP

Protection through HTTP Headers

HTTP Cookies

Situationals

DDoS Attacks

Bug Bounty Programs

Conclusion

Quiz Yourself on HTTP