My client that uses the httpwebrequest class to access a service cannot access the service. I was provided a certificate which I installed on the computer the web client will run on. My request needs to provide a username and password which I do but I still get the following message: "The underlying connection was closed. Could not establish trust relationship for the SSL/TLS secure channel" Thanks.
Below is snippet of code:
Below is snippet of code:
Dim cert As System.Security.Cryptography.X509Certificates.X509Certificate cert = System.Security.Cryptography.X509Certificates.X509Certificate.CreateFromCertFile("c:\was33.cer") Dim defaultUri As String = String.Empty defaultUri = "https://111.111.11.11:999/services/queryservice" Dim query As String = String.Empty Dim urii As String = String.Empty Dim postData As String = String.Empty Dim responseData As String = String.Empty Dim hwrequest As System.Net.HttpWebRequest urii = defaultUri hwrequest = System.Net.HttpWebRequest.Create(urii) hwrequest.Method = "POST" hwrequest.Accept = "gzip, deflate" hwrequest.ContentType = "text/xml; charset=utf-8" hwrequest.Timeout = 20000 hwrequest.Credentials = New System.Net.NetworkCredential("psc8", "psw8") hwrequest.ClientCertificates.Add(cert) If Not String.IsNullOrEmpty(txtQuery.Text) Then postData = txtQuery.Text End If Dim encoding As New Text.ASCIIEncoding() 'Use UTF8Encoding for XML requests Dim postByteArray() As Byte = encoding.GetBytes(postData) hwrequest.ContentLength = postByteArray.Length Try Dim postStream As IO.Stream = hwrequest.GetRequestStream() postStream.Write(postByteArray, 0, postByteArray.Length) postStream.Close() Catch ex As Exception txtReply.Text = ex.Message Exit Sub End Try Dim hwresponse As Net.HttpWebResponse = hwrequest.GetResponse() Try If hwresponse.StatusCode = Net.HttpStatusCode.OK Then Dim responseStream As IO.StreamReader = _ New IO.StreamReader(hwresponse.GetResponseStream()) responseData = responseStream.ReadToEnd() End If Catch ex As Exception responseData = ex.Message.ToString End Try hwresponse.Close()
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