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Cannot get response from HTTPS request by a Windows service

Posted By:      Posted Date: April 10, 2011    Points: 0   Category :WPF

When I use a web request to get response from a URL address which is based on SSL.

ServicePointManager.CheckCertificateRevocationList = true;
var webReq = (HttpWebRequest)WebRequest.Create("https://www.live.com");
var webResp = (HttpWebResponse)webReq.GetResponse();

I will get one of the following exception information.

  • {System.Net.WebException: The underlying connection was closed: Could not establish trust relationship for the SSL/TLS secure channel. ---> System.Security.Authentication.AuthenticationException: The remote certificate is invalid according to the validation procedure.
       at System.Net.Security.SslState.StartSendAuthResetSignal(ProtocolToken message, AsyncProtocolRequest asyncRequest, Exception exception)
       at System.Net.Security.SslState.CheckCompletionBeforeNextReceive(ProtocolToken message, AsyncProtocolRequest asyncRequest)
       at System.Net.Security.SslState.StartSendBlob(Byte[] incoming, Int32 count, AsyncProtocolRequest asyncRequest)
       at System.Net.Security.SslState.ProcessReceivedBlob(Byte[] buffer, Int32 count, AsyncProtocolRequest asyncRequest)
       at System.Net.Security.SslState.StartReadFrame(Byte[] buffer, Int32 readBytes, AsyncProtocolRequest asyncRequest)
       at System.Net.Security.SslState.

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