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HTTP Cookie

[Updated: Mar 9, 2016, Created: Mar 9, 2016]

HTTP 

Also known as: Web Cookie

Cookie is a name/value pair sent to the client browser from the server side application.

The cookie are meant to be saved in the client browser.

Every time the user sends a subsequent request to the same server, the browser sends the previously saved cookie back to the server to notify the user's previous activity.

Cookies are a way to overcome the statelessness of HTTP protocol.

There are mainly two kind of Cookies:

  • Session cookie: exists only in temporary memory while the user navigates the website. Web browsers normally delete session cookies when the user closes the browser.
  • Persistent cookie: expires at a specific date or after a specific length of time.



Reference:
RFC 6265