rendered paste body<?phpif($_SERVER['REQUEST_METHOD']=='POST'){ $br_nl = "<br>"; $host = htmlspecialchars($_POST['host']); $s_port = (int)$_POST['s_port']; $e_port = (int)$_POST['e_port']; echo "<body> <center><pre> <form method='POST' action=" . $_SERVER['PHP_SELF'] . "> Host: <input type='text' name='host'><br>Starting Port: <input type='text' name='s_port'><br> Ending Port: <input type='text' name='e_port'><br><input type='submit'> </form>";}else{ $br_nl = "\n"; $host = $argv[1]; $s_port = $argv[2]; $e_port = $argv[3];}error_reporting(0);if($host == ""){ $host = '127.0.0.1';}if($s_port == "" && $e_port == ""){ $s_port = 0; $e_port = 10000;}do{ if (fsockopen($host, $s_port)){ echo "port " . $s_port . "/" . getservbyport($s_port, tcp) . " open" . $br_nl; } $s_port++;}while($s_port <= $e_port);?>