Port Scanner

<center>
<form method='post' action=''>
IP: <input name='ip' type='text' id='ip' size='17' maxlength='17' />
From Port: <input name='port' type='text' id='port' size='17' maxlength='17' />
To Port: <input name='port2' type='text' id='port2' size='17' maxlength='17' />
<input type='submit'  name='submit' value='Check' />
</form>

<?
echo '<br>';
echo 'Your IP is '.$_SERVER["HTTP_CF_CONNECTING_IP"];
echo '<br>';
//Disable PHP warnings to prevent errors.
error_reporting(~E_ALL);

$from = $_POST['port'];
$to = $_POST['port2'];

//TCP ports
$host = $_POST['ip'];

for($port = $from; $port <= $to ; $port++)
{
  $fp = fsockopen($host , $port);
  if ($fp)
  {
    echo "<br>port $port open on ".$_POST['ip']."\n";
    $info - stream_get_meta_data($fp);
    fclose($fp);

    if ($info['timed_out']) {
        echo 'Port '.$port.' on '.$host.'.';
    } else {
    }
  }
}


?>