Отправка GET запроса на URL с портом поверх https?

function curl_get_contents($url) {
    $ch = curl_init($url);
   curl_setopt($ch, CURLOPT_FOLLOWLOCATION, 1);
   curl_setopt($ch, CURLOPT_HEADER, 0);
   curl_setopt($ch, CURLOPT_USERAGENT, "Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 6.0)");
   curl_setopt($ch, CURLOPT_MAXREDIRS, 2); 
   curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
   curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
   curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, 0); 


   $content = curl_exec($ch);
   curl_close($ch);
   return $content;
}

$resp = curl_get_contents("https://domain.com:1500/ispmgr"); 

echo $resp;