I found a relevant discussion: http://stackoverflow.com/questions/1364733/block-requests-from-appspot-com-and-force-custom-domain-in-google-app-engine http://st

I found a relevant discussion: http://stackoverflow.com/questions/1364733/block-requests-from-appspot-com-and-force-custom-domain-in-google-app-engine http://stackoverflow.com/questions/1364733/block-requests-fr...