ASP.NET Mvc Api: Set cookie then 302/303 Redirect loses the cookie

Question

I have an API action that returns a HttpResponseMessage. API address is like: http://localhost/login?authcode=xxx

The API action does some login authentication and r

Answer 1

My cookies have added Path, but the problem still not resolve.

After a long time, I finally resolve this problem by remove session state config in web.config:

I can add set-cookie header after comments .

I hope this helps you, thanks.