Tuesday, December 23
How do the Cookies In your
Browsers Work.
In Hacking Tutorials we always read and Come to topic Cookie Stealing Method.Lets Today Discuss About What is Cookie.
Most Internet users are familiar with the term “Cookie” but only a few know what exactly it is and the purpose it serves. This article will help you understand the working of different types of browser cookies in a simple and easy to follow manner.
To begin with, a cookie (also known as browser cookie, Internet cookie, web cookie or HTTP cookie) is a small piece of data that websites store on your hard disk in the form of a text file. Cookies allow websites to store specific information helpful to remember each visitor uniquely. A cookie is set when the user visits a particular website for the first time. Thereafter, each time the user loads the website the browser sends the cookie back to the web server so that it can keep track of the user’s previous activity.
Purpose of Browser Cookies:
The following are some of the common purposes served by cookies:
- Enable automatic user log-in thereby eliminating the need for a password input
- Enhance user experience by storing user preferences so that the site can look different for each visitor
- Keep track of items in the shopping cart
- Record user’s activity such as browsing history, click patterns, page visits and so on
Types of Browser Cookies:
Session Cookie
Since web pages have no memories, a visitor navigating to a different page on the same website is treated as an entirely new visitor. This is where session cookies come in handy. It makes it possible for the website to keep track of the user from page to page so that user specific information such as shopping cart data, account details and other preferences are not lost during navigation.
A session cookie is stored in the temporary memory while the user is on the website. If no expiry date is specified during its creation, session cookies are normally deleted by the browsers upon closure.
Persistent Cookie:
A persistent cookie facilitates websites to track user settings and information when they visit the same website in the future. Unlike most session cookies, a persistent cookie does not get deleted upon browser closure. This makes it possible for the websites to easily authenticate users upon revisits without having to login again. In addition, persistent cookies help enhance user experience by storing their previous inputs such as language selection, themes and menu preferences.
Secure Cookie
A secure cookie has a secure attribute enabled so that its content gets encrypted every time it moves between the web server and the browser. This cookie is used only in the HTTPS mode and thus offers protection against cookie theft.
Third-Party Cookie
Third-party cookies are those that originate from a website other than the one that you are currently using. For example, when you visit a website www.abc.com, all the cookies that come from this website are called first-party cookies. Suppose, if this website (www.abc.com) is running an advertisement on its page from a third party website www.xyz.com, then the cookie that originates from this website (www.xyz.com) is referred to as a third-party cookie.
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