WSContext forcibly closed by remote host

I have a C# application that establishes a WSContext with SDL world server. IT has been working for years, but recently it stopped working. We get the following exception...

The underlying connection was closed: An unexpected error occurred on a send.::System.IO.IOException: Unable to read data from the transport connection: An existing connection was forcibly closed by the remote host. ---> System.Net.Sockets.SocketException: An existing connection was forcibly closed by the remote host

A recent change was disabling older versions of TLS, 1.1 and 1.2. We suspect that we may need to update our application to use a newer version of TLS, however, I found the following post...

https://gateway.sdl.com/apex/communityknowledge?articleName=000011999

The post suggests we simply need to restart the translation manager service. We will reach out to have that done, however, if that does not resolve it, is there a way to update our code to use a newer version of TLS?

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