The request was aborted: Could not create SSL/TLS secure channel

[Barbi Rio]

Hi,

I'm sending SOAP call with attached certificate and I'm getting the following error:The request was aborted: Could not create SSL/TLS secure channel

Here is my code:
public static void CallMyWebService()
{
try
{
var _url = "https://myurl.com";
var _action = "https://myurl.com/myAction";
XmlDocument soapEnvelopeXml = CreateSoapEnvelope();
HttpWebRequest webRequest = CreateWebRequest(_url, _action);
InsertSoapEnvelopeIntoWebRequest(soapEnvelopeXml, webRequest);

ServicePointManager.Expect100Continue = true;
ServicePointManager.SecurityProtocol = SecurityProtocolType.Tls12 | SecurityProtocolType.Ssl3 | SecurityProtocolType.Tls | SecurityProtocolType.Tls11;

IAsyncResult asyncResult = webRequest.BeginGetResponse(null, null);

asyncResult.AsyncWaitHandle.WaitOne();

string soapResult;
using (WebResponse webResponse = webRequest.EndGetResponse(asyncResult))
{
using (StreamReader rd = new StreamReader(webResponse.GetResponseStream()))
{
soapResult = rd.ReadToEnd();
}
Console.Write(soapResult);
}
}
catch (Exception exc)
{
Console.WriteLine(exc.Message);
}
}
private static HttpWebRequest CreateWebRequest(string url, string action)
{


HttpWebRequest webRequest = (HttpWebRequest)WebRequest.Create(url);
webRequest.Headers.Add("SOAPAction", action);
webRequest.ContentType = "text/xml;charset=\"utf-8\"";
webRequest.Accept = "text/xml";
webRequest.Method = "POST";



string certificatePath2 = "myCertificate.cer";
X509Certificate certificate2 = new X509Certificate(certificatePath2);
if (certificate2 == null)
{
certificate2 = X509Certificate.CreateFromCertFile(certificatePath2);

}
webRequest.ClientCertificates.Add(certificate2);

return webRequest;
}

private static XmlDocument CreateSoapEnvelope()
{
XmlDocument soapEnvelopeDocument = new XmlDocument();
try
{
soapEnvelopeDocument.Load("XMLFile1.xml");

}
catch (Exception exc)
{
Console.WriteLine(exc.Message);
}
return soapEnvelopeDocument ;
}
private static void InsertSoapEnvelopeIntoWebRequest(XmlDocument soapEnvelopeXml, HttpWebRequest webRequest)
{
try
{
using (Stream stream = webRequest.GetRequestStream())
{
soapEnvelopeXml.Save(stream);
}
}
catch (Exception exc)
{
Console.WriteLine(exc.Message);
}
}

I put both certificates in the bin folder and also in the project folder. Both of the root certificates are installed.


Please help




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