2. HTTP COOKIES
An HTTP cookie is a small piece of data that a server sends to a client. The server sends the cookie using the Set-Cookie header in the response. It looks like that:Set-Cookie: trackingCookie=user1357272User-agent saves a cookie from the response and sends it back in the Cookie request header like that:Cookie: trackingCookie=user1357272Cookies are used for the following purposes:1. Session managementHTTP is a stateless protocol meaning that two requests cannot be correlated to the same source or to each other even if…