security - how to block the hackers ip adress (denial of service threads) in php -


i want block ipadress of clients send more request server samp ip adress (hackers).

how send mac code particular ip adress , receiving mac code user , compare original mac code..

you can't in php though. php script isn't executed until after post has completed. potentially protect against dos need deny access before post has completed, better if can before sent client.


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