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404 error page

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I am trying to return error 404 page in my Asp.Net Core application, but mozilla firefox throws a blank white page. It's woking fine with other browsers, the problem is only occuring in firefox.

I am trying to return error 404 page in my Asp.Net Core application, but mozilla firefox throws a blank white page. It's woking fine with other browsers, the problem is only occuring in firefox.

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You can check HTTP response headers the Network Monitor.