1. Introduction to HTTP and the Principles of Web Servers

To master the art of hacking and testing web servers and applications, it's essential to understand how they are structured and function. In this section, we will delve into the following topics:

  • Basics of web technologies
  • HTTP methods
  • Server responses
  • HTTP headers
  • Session management
  • Caching
  • Secure connections via SSL/TLS
  • Authentication
  • Web robots

After studying this section, you will understand how web applications are structured. You will learn how the HTTP protocol works, as practical exercises will require you to change the values of specific HTTP headers and monitor the server's response. You will also gain knowledge of the basic principles of cryptography and data encryption, as well as modern methods of authentication in web applications.