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Question

When I added the URL rewrite code in web.config and then publish it into azure. it will automatically redirects to https even I am trying to access website with http.

Answer 1

What I do personally is put that rewrite configuration into Web.Release.config precisely because it is a bit fiddly to get it working locally.

The problem is that IIS Express will expose HTTP and HTTPS on different ports, so if you redirect from http://localhost:1234 to https://localhost:1234, it simply won't work, because IIS Express is exposing HTTPS on something like https://localhost:44300.

You can enable SSL/TLS on IIS Express (and you should), but I would leave the rewrite rule only for Release mode.

Here is an example Web.Release.config file:

Note that I also add HSTS here. It inserts the element into Web.config in Release mode. The element already exists in Web.config, otherwise I would be inserting that.