Web Application Platforms

Now that you have a sense of the direction Web applications are headed in, next you need to understand details of the platforms that host these applications. Chapter 17 covered the common threads and vulnerability classes you need to be familiar with. However, the choice of platform can have a major impact on what vulnerabilities are more prevalent and how they show up. So the remainder of this chapter discusses the subtleties of the most popular platforms. This information is not exhaustive, but it should give you a foundation for identifying vulnerabilities in applications built on these platforms.