Server Error in '/' Application.

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

Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code.

Exception Details: System.Net.WebException: The request was aborted: Could not create SSL/TLS secure channel.

Source Error:

An unhandled exception was generated during the execution of the current web request. Information regarding the origin and location of the exception can be identified using the exception stack trace below.

Stack Trace:


[WebException: The request was aborted: Could not create SSL/TLS secure channel.]
   System.Net.HttpWebRequest.GetResponse() +1463
   System.ServiceModel.Channels.HttpChannelRequest.WaitForReply(TimeSpan timeout) +56

[SecurityNegotiationException: Could not establish secure channel for SSL/TLS with authority 'www.postcontact.com'.]
   System.Runtime.Remoting.Proxies.RealProxy.HandleReturnMessage(IMessage reqMsg, IMessage retMsg) +159
   System.Runtime.Remoting.Proxies.RealProxy.PrivateInvoke(MessageData& msgData, Int32 type) +353
   opticalProductsServices.opServiceContracts.getDesignerNameGridWidth(Int16 des_id, String my_token) +0
   opticalProductsServices.opServiceContractsClient.getDesignerNameGridWidth(Int16 des_id, String my_token) +60
   glasses_Default.getDataSource_Linq() +1322
   glasses_Default.Page_Load(Object sender, EventArgs e) +1532
   System.Web.UI.Control.OnLoad(EventArgs e) +97
   System.Web.UI.Control.LoadRecursive() +61
   System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +693


Version Information: Microsoft .NET Framework Version:4.0.30319; ASP.NET Version:4.8.4676.0