Chapter 5. Session Management
The Hypertext Transfer Protocol (HTTP) is the network protocol that web servers and client browsers use to communicate with each other. HTTP is the language of the web. HTTP connections are initiated by a client browser that sends an HTTP request. The web server then responds with an HTTP response and closes the connection. If the same client requests another resource from the server, it must open another HTTP connection to the server. The server always closes the connection as soon as it sends the response, whether or not the browser user needs some other resource from the server.
This process is similar to a telephone ...
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