the cookie, the session, token the cookie: stored in the hard disk file browser related to the session: stored in the server's memory after the exit is cleared token: a server-side generation later, do not save, to the client, the client's header inside each secondary generalization?
http header message is usually divided into . 4 sections: General header, header Request, Response
HTTP request method : GET and POST
get requests data from the specified resource
Post submission of data to be processed to the specified resource
- GET requests should not be used when processing sensitive data
- GET requests have length restrictions
