Sometimes I get the following error while I was doing HttpWebRequest to a WebService. I copied my code below too.

---

&lt;pre&gt;
System.Net.WebException: Unable to connect to the remote server ---&gt; System.Net.Sockets.SocketException: No connection could be made because the target machine actively refused it 127.0.0.1:80
   at System.Net.Sockets.Socket.DoConnect(EndPoint endPointSnapshot, SocketAddress socketAddress)&lt;/b&gt;
   at System.Net.Sockets.Socket.InternalConnect(EndPoint remoteEP)
   at System.Net.ServicePoint.ConnectSocketInternal(Boolean connectFailure, Socket s4, Socket s6, Socket&amp; socket, IPAddress&amp; address, ConnectSocketState state, IAsyncResult asyncResult, Int32 timeout, Exception&amp; exception)
   --- End of inner exception stack trace ---
   at System.Net.HttpWebRequest.GetRequestStream()
&lt;/pre&gt;

---

    ServicePointManager.CertificatePolicy = new TrustAllCertificatePolicy();
    HttpWebRequest request = (HttpWebRequest)WebRequest.Create(url);

    request.PreAuthenticate = true;
    request.Credentials = networkCredential(sla);
    request.Method = WebRequestMethods.Http.Post;
    request.ContentType = &quot;application/x-www-form-urlencoded&quot;;
    request.Timeout = v_Timeout * 1000;
                
    if (url.IndexOf(&quot;asmx&quot;) &gt; 0 &amp;&amp; parStartIndex &gt; 0)
    {
        AppHelper.Logger.Append(&quot;#############&quot; + sla.ServiceName);
                
        using (StreamWriter reqWriter = new StreamWriter(request.GetRequestStream()))
        {                        
            while (true)
            {
                int index01 = parList.Length;
                int index02 = parList.IndexOf(&quot;=&quot;);
                            
                if (parList.IndexOf(&quot;&amp;&quot;) &gt; 0)
                    index01 = parList.IndexOf(&quot;&amp;&quot;);

                string parName = parList.Substring(0, index02);
                string parValue = parList.Substring(index02 + 1, index01 - index02 - 1);
                            
                reqWriter.Write(&quot;{0}={1}&quot;, HttpUtility.UrlEncode(parName), HttpUtility.UrlEncode(parValue));

                 if (index01 == parList.Length)
                     break;

                 reqWriter.Write(&quot;&amp;&quot;);
                 parList = parList.Substring(index01 + 1);
             }
         }
     }
     else
     {
         request.ContentLength = 0;
     }

     response = (HttpWebResponse)request.GetResponse();

All system.net.webexception Solutions on Gang of Coders

Total of 1 system.net.webexception Solutions

No connection could be made because the target machine actively refused it?