IIS Feature Feedback
Erlang SSL/TLS and Microsoft ISS Compatibility
Re: Erlang SSL/TLS and Microsoft ISS Compatibility
Jun 09, 2017 01:43 PM|Rovastar|LINK
Also check you are not sending the MD5 cipher over TLS 1.2 as this will not work. If indeed you are sending stuff to IIS. Difficult to know what is happening with IIS server logs.