SSL and Outdated TLS(1.0 and 1.1) for Web Service client application on .Net 3.5

Question

As per PCI, we need to stop using SSL and TLS(1.0 and 1.1 in certain implementation) from June 30th 2016 as per http://blog.securitymetrics.com/2015/04/pci-3-1-ssl-and-tls.html

Answer 1

The one thing they don't seem to have done, is update wsdl.exe to support TLS1.1 or 1.2. This is what happens if you try and point wsdle.exe form .Net 4.7 at a web service that doesn't support TLS1.0:

Microsoft (R) Web Services Description Language Utility
[Microsoft (R) .NET Framework, Version 4.7.2558.0]
Copyright (C) Microsoft Corporation. All rights reserved.
Error: There was an error processing 'http:///_vti_bin/Authentication.asmx?wsdl'.
  - There was an error downloading 'http:///_vti_bin/Authentication.asmx?wsdl'.
  - The underlying connection was closed: An unexpected error occurred on a send.
  - Authentication failed because the remote party has closed the transport stream.

This is causing me some real issues, and just stunned that this app has still not been updated!