In this section, we'll take a look at the structure of a URL, the request and response headers, and an example of GET requests using Telnet to understand how it works at a low level.
I bet you have seen thousands of URLs by now. It's now time to stop and think about the URL structure. Let's see what each part means:
The first part is the protocol in web applications. The two protocols used are HTTP and HTTPS. When using HTTP, the port that will be used is 80, and when using HTTPS, the port will be 443.
The next part is the host we want to contact. Next, we can see the resource or the file location in that server. In this example, the directory is content and the resource is section. Then, we have the question mark symbol that indicates what's to come is the query string. These are the parameters that will be passed to the section...