Chapter 6. Blocking Common Attacks

In this chapter we will look at some of the most common attacks that are being carried out against web applications and servers today. Knowing the anatomy of these attacks is the first step in understanding how they can be blocked, so we will first seek to understand the details of the attacks, and then see how they can be blocked using ModSecurity.

Web applications can be attacked from a number of different angles, which is what makes defending against them so difficult. Here are just a few examples of where things can go wrong to allow a vulnerability to be exploited:

  • The web server process serving requests can be vulnerable to exploits. Even servers such as Apache, that have a good security track record, can ...

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