If you're running a version that either supports or can be upgraded to support TLS 1.2, you should be able to check TLS 1.2 in Windows with Internet Explorer. This also affects the wwHttp class which runs through WinInet in Web Connection or the Client Tools. These older versions of Windows don't have support TLS 1.2 at all and don't have any way to make it work outside of using applications that don't use the Windows Protocols Stack. For more info on how to enable TLS 1.2 see below. These versions can support TLS 1.2 via registry settings (for machine wide settings) or Internet Explorer Configuration of Protocols for IE and WinHttp/WinInet functionality. These versions of Windows just work out of box with TLS 1.2 - no changes are required.
Specifically any non-Microsoft Web Browsers like Chrome and FireFox do not use the Windows infrastructure so even on old versions of Windows you can get TLS 1.2 support using custom browsers. Non-Microsoft Browsers bypass Windows Security Protocol LibrariesĪlthough TLS 1.2 may not be supported by some older versions of Windows and APIs, you can still use a number of applications that have their own TLS implementations. NET framework as well as Web Connection and West Wind Client Tools use for the its HTTP support. This affects most Microsoft Products that run on Windows, as well as the Windows Client stack including WinInet and WinHttp which incidentally is also used by the desktop.
The context here really is Windows Support meaning that Window's internal libraries and SDKs that use the underlying Windows Security Protocol infrastucture. it's important to understand what 'TLS Support' means in this context. Protocol Support in Windows and what it meansīefore we look at what supports which version etc. This requirement has been long announced by many companies - years ago, but the cut off dates are now reaching maturity and Authorize.NET was just one of them that many of the customers I work were directly affected by.
TLS 1.0 and 1.1 both had theoretically possible (but very computing intensive) breaches associated with them and so they are considered compromised, and most industry groups that rely on secure standards (like Credit Card Processors obviously) now require TLS 1.2. TLS is the successor to the SSL protocol. Not surprisingly the last few days my phone (Skype actually) has been ringing off the hook with customers frantically looking to fix a variety of TLS 1.2 issues. On February 28th, 2018 Authorize.NET discontinued support for all TLS 1.0 and 1.1 access to their APIs and only supports TLS 1.2.
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