Do you have knowledge in IIS setup?
let see problem (example of IIS web site)
[url removed, login to view] => this goes to 404 page with 404 response header
[url removed, login to view] => this goes to 404 page but with 302 header
What I want is to setup 404 header for non exist .aspx page
I think experience person can solve it within few minute
I will pay in full hour if you can help