protected function _setFirewallConfigArray($in, $array) {
        if (isset($in['' . $array[0] . ''])) {
            $to = $in['' . $array[0] . ''];
            array_splice($array, 0, 1);

            foreach ($array as $value) {
                if (isset($to['' . $value . ''])) {
                    $to = $to['' . $value . ''];
                }
                else {
                    return false;
                }
            }
        }
        else {
            return false;
        }

        return $to;
    }