php - Can a server block requests from a website of mine? -

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A website hosted on a server (A) that PHP on another server hosted on another server PHP (HTPRQUEST) (B).

Every time a user clicks on a button on the website's hosted on A, requests A to B to get an html page.

Can a?

short answer: yes it is possible.
Long answer: This is not practical though you can block the IP address of the server, but if the owner of the server really wants to do this, then he can get a free proxy and then send a request, you can It will not be able to say whether the request has been sent from the server or a valid user


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