Linnaeus University

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This work is produced by John Häggerud at Linnaeus University.

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Tim Berners-Lee

Paul Clarke [CC BY-SA 4.0 (http://creativecommons.org/licenses/by-sa/4.0)], via Wikimedia Commons

Web server session

In order to associate a request to any other request, you need a way to store user data between HTTP/HTTPS requests.

• The user send the state information with every request (state on client)
• http://www.example.com?id=1023&username=thajo
• Cookie with all the data
• Let the user send a "secret" id and let the server store the session data
• http://www.example.com?id=sdhjH223Hsjhdj2jasdlj
• Session cookie - encrypted or a hash
• A by the server(s) signed token (JSON Web Token)