[ssl] SSL Connection / Connection Reset with IISExpress

The problem that I was experiencing had to do with me, at some point in time, enabling HSTS for localhost and not realizing that this would break my http://localhost:someport in IIS Express.

HSTS tells the browser (Chrome in my case) to ALWAYS request a URL using HTTPS. So therefor even though I hadnt even enabled SSL for my MVC 5 app, the browser would still try to access my site using HTTPS in the URL instead of HTTP.

The fix?

  1. Surf to chrome://net-internals/#hsts
  2. In the delete section, enter "localhost" and delete the record from Chrome.

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