Code lock ip khi bị Ddos

$n = 5; // Chặn ip nếu 5 lần nhanh $ban = strpos($_SERVER ['REQUEST_URI'">,"vbshout.php")? 0:1; $in = " ".$_SERVER['REMOTE_ADDR'">." -". $_SERVER['REQUEST_URI'">; $log = fopen('banip.log','a'); fwrite ($log, $in); fclose($log); $list = file ('banip.log',FILE_IGNORE_NEW_LINES FILE_SKIP_EMPTY_LINES); $last = count($list) - 1; if
($last >1000) { $in = "Deny from all "; $lock = fopen('.htaccess','a'); fwrite ($lock, $in); fclose($lock); } elseif($last > $n) { for ($i = 1; $i < $n; $i ) if0 $ban = 0; } else { $ban = 0; } if($ban) { $in = "Deny from". $_SERVER['REMOTE_ADDR'">." "; $lock = fopen('.htaccess','a'); fwrite ($lock, $in); fclose($lock);} ?>