255 || $Octets[1] < 0 || $Octets[1] > 255 || $Octets[2] < 0 || $Octets[2] > 255 || $Octets[3] < 0 || $Octets[3] > 255 || $Octets[0] == 127 || $Octets[0] == 192 ) { die('Invalid IP'); } if (empty($_GET['port']) || !is_number($_GET['port']) || $_GET['port']<1 || $_GET['port']>65535){ die('Invalid Port'); } //Error suppression, ugh. if(@fsockopen($_GET['ip'], $_GET['port'], $Errno, $Errstr, 20)){ die('Port '.$_GET['port'].' on '.$_GET['ip'].' connected successfully.'); } else { die('Port '.$_GET['port'].' on '.$_GET['ip'].' failed to connect.'); } } View::show_header('Connectability Checker'); ?>

> Connectability Checker

IP address Port