TLS 1.2 will eventually be replaced by the newest released standard TLS 1.3 which is faster and has improved security TLS 1.2 is a standard that provides security improvements over previous versions. The Transport Layer Security (TLS) protocol is an industry standard designed to help protect the privacy of information communicated over the Internet. After some discussion with one of the developers of the third-party APIs, he suggested the issue may be related to TLS 1.2 not being supported as he had seen the issue before.įirstly, what is TLS? Here’s a definition from a Microsoft article that describes TLS best practices with regards to the. All requests to the third-party API were returning empty responses.

Unfortunately, this included our own APIs. These third-party APIs were configured to disable any requests from clients that were using TLS 1.0/1.1. I recently came across an issue with several of our ASP.NET WebAPI services which were consuming a third-party set of APIs. What do these constants mean? Constant 768 means TLS 1.1 security protocol, and constant value 3072 means TLS 1.2 respectively.Enabling TLS 1.2 on your. Second, add the following code to your Program.Main() function: NET framework from the Microsoft website. Download and install the official software package of. NET framework version installed on the computer. First of all, please make sure you have the latest.

The request was aborted: Could not create SSL/TLS secure channel. When you get the following error, this may be also because of the outdated TLS version. Why may you need a newer TLS version? Because some REST or WebService API providers have switched to using TLS v1.2 as a more secure and up-to-date protocol. NET 4.0 only supports TLS v1.0 and there is no standard way of forcing to use never TLS version.

Sometimes you need to use SSL/TLS protocol version 1.2 in your existing.

Test tls 1.2 support in net framework