Question

Before you jump into hunting for bugs, let’s take some time to understand how the internet works. Finding web vulnerabilities is all about exploiting weaknesses in this technology, so all good hackers should have a solid understanding of it. If you’re already familiar with these processes, feel free to skip ahead to my discussion of the internet’s security controls.

在你开始寻找漏洞之前，让我们先花点时间了解互联网是如何运作的。寻找 Web 漏洞就是要利用这项技术中的弱点，所以所有优秀的黑客都应该对此有扎实的理解。如果你已经熟悉这些过程，可以跳过这部分，直接阅读我对互联网安全控制的讨论。

The following question provides a good starting place: what happens when you enter www.google.com in your browser? In other words, how does your browser know how to go from a domain name, like google.com, to the web page you’re looking for? Let’s find out.

下面的问题提供了一个很好的起点：当您在浏览器中输入 www.google.com 时会发生什么？换句话说，您的浏览器如何知道如何从像 google.com 这样的域名转到您正在寻找的网页？让我们找出答案。