When you deploy to IIS be sure to edit the web sites Authentication settings

Anonymous Authentication: Enabled

Basic Authentication: Disabled

Windows Authentication: Disabled

Digest Authentication: Disabled

Forms Authentication: Disabled

ASP.NET Authentication: Disabled

With this setup, you will not automatically be logged in via your Domain Account, but instead prompted to login via the Middleware Login Page.

If you want your users to use their windows login, you can enable Windows Authentication.