public ActionResult <string> ProxyCheck(string host, string port)
 {
     try
     {
         ProxyChecker proxyChecker = new ProxyChecker(host, port);
         return(proxyChecker.Check());
     }
     catch (Exception e)
     {
         if (e.InnerException != null)
         {
             FileHelper.WriteToLog(e.Message + " " + e.InnerException.Message, "");
         }
         else
         {
             FileHelper.WriteToLog(e.Message, "");
         }
     }
     return("Proxy is not available!");
 }