Chapter 7. Site Security
Security is one of the foremost concerns of every site administrator—and if it isn't, it should be. Placing your site on the public Internet is an open invitation to intruders of every sort, and you need to be able to handle them, no matter how small or specialized your site may be. Fortunately, PHP can help you protect your site and your users' data. As discussed in the previous chapter, you can use Apache to control authentication, but you can also use PHP's built-in functions to make your own authentication system. After this chapter shows you how to do that, it will take you through some of the more common types of attacks you may encounter, and show you some simple methods to prevent them.
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