Sorry for the long delay in an update.
> I have an intranet machine, it has no internet connection,
Will this be your setup for "production"? Or just a restriction you are under during testing/evaluation?
If it is your production setup, can you elaborate on the scenario more (if you need to, you can reach out to us using our ticket forms if you need confidentiality.
Essentially there are technical reasons its setup to be HTTPS always, so we would need to know more about your requirements before we could investigate/commit further on allowing HTTP.
In the meantime, so you can continue evaluation without internet, is you could use the "file://" protocol instead, that will load the fonts using "file://"