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The Remote server returned an error :(407) Proxy Authentication Required

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Hi, My name is krishna. I am using asp.net 2.0 with C#. I amusing Windows XP professional as OS. When I post some data to an external web server I get the error as "The Remote server returned an error :(407) Proxy Authentication Required ".

Here is the code I am using, Please help me out at the earliest.

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  1. public void JACCS_Response(string date,string jaccs_id,string irn,string company_id,string xmlid)
  2.        {
  3.  
  4.            string responseString = string.Empty;
  5.  
  6. // I am passing the following 4 parameters to the site.
  7.  string REQ_STR = "SEND_DATETIME=" + date + "&KAMEITEN_BANGO=" + company_id + "&JACCS_DENPYO_BANGO=" + jaccs_id + "&DENPYO_BANGO=" + irn;
  8.  
  9.            try
  10.            {
  11.                HttpWebRequest webreq = (HttpWebRequest)WebRequest.Create(ConfigurationManager.AppSettings["someurl"].ToString());
  12.  
  13. //The app.config file contains the URL to which I post the data
  14.  
  15.                webreq.Method = "POST";
  16.                //WebProxy myProxy = new WebProxy(ConfigurationManager.AppSettings["proxy"].ToString(), 80);
  17.                WebProxy myProxy = new WebProxy("someproxy");
  18.  
  19. //The proxy is specified in the app.config
  20.  
  21.                //required only for local development
  22.                myProxy.Credentials = System.Net.CredentialCache.DefaultCredentials;
  23.  
  24.                //myProxy.Credentials = new NetworkCredential(ConfigurationManager.AppSettings["ProxyUID"].ToString(), ConfigurationManager.AppSettings["ProxyPwd"].ToString(), ConfigurationManager.AppSettings["ProxyDomain"].ToString());
  25.  
  26.                webreq.Proxy = myProxy;
  27.  
  28.  
  29. //I specify the userid, password and the domain needed to access the external site
  30.  webreq.Credentials = new NetworkCredential(ConfigurationManager.AppSettings["userid"].ToString(), ConfigurationManager.AppSettings["pwd"].ToString(), ConfigurationManager.AppSettings["domain"].ToString());
  31.  
  32.  
  33.  byte[] byteArray = Encoding.GetEncoding("shift-jis").GetBytes(REQ_STR);
  34.  
  35.                webreq.ContentLength = byteArray.Length;
  36.                webreq.ContentType = "application/x-www-form-urlencoded";
  37.  
  38.                webreq.UserAgent = "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1; GoogleT5; .NET CLR 1.1.4322; .NET CLR 2.0.50727; InfoPath.2; .NET CLR 3.0.04506.648; .NET CLR 3.5.21022)";
  39.  
  40.                using (Stream myStream = webreq.GetRequestStream())
  41.                {
  42.                    try
  43.                    {
  44.                        myStream.Write(byteArray, 0, byteArray.Length);
  45.                        myStream.Flush();
  46.                    }
  47.                    catch (Exception e)
  48.                    {
  49.                        throw e;
  50.                    }
  51.                }
  52.  
  53.                // Get the response.
  54.                HttpWebResponse response = (HttpWebResponse)webreq.GetResponse();
  55.  
  56.                StreamReader ResponseStream = new StreamReader(response.GetResponseStream(), Encoding.GetEncoding("shift-jis"));
  57.                responseString = ResponseStream.ReadToEnd();
  58.                ResponseStream.Close();
  59.                response.Close();
  60.            }
  61.  
  62.            catch (Exception ex)
  63.            {
  64.                 throw ex;
  65.            }
  66.            }
But when I do the above, I get the error as ""The Remote server returned an error :(407) Proxy Authentication Required ".

Kindly help me out.

thanks
casukhela krishna
Nov 3 '08 #1
2 5428
debasisdas
8,127 Recognized Expert Expert
Question moved to .NET forum.
Nov 3 '08 #2
Curtis Rutland
3,256 Recognized Expert Specialist
Please enclose your posted code in [CODE] [/CODE] tags (See How to Ask a Question).

This makes it easier for our Experts to read and understand it. Failing to do so creates extra work for the moderators, thus wasting resources, otherwise available to answer the members' questions.

Please use [CODE] [/CODE] tags in future.

MODERATOR
Nov 3 '08 #3

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