I got a little further. If you append /login to the url, you get another script: Points to: https://foobar.withgoogle.com/_ah/logout?continue=https://www.goo

I got a little further. If you append /login to the url, you get another script: Points to: https://foobar.withgoogle.com/_ah/logout?continue=https://www.google.com/accounts/Logout%3Fcontinue%3Dhttps://appengine.google.com/_ah/logout%253Fcontinue%253Dhttps://foobar.withgoogle.com/denied/%26service%3Dah https://foobar.withgoogle.com/_ah/logout?continue=https://ww... I've tried some ways to login to appengine etc but didn't work. https://appengine.google.com/_ah/logout?continue=https://foobar.withgoogle.com/denied/%26service%3Dah https://appengine.google.com/_ah/logout?continue=https://foo... I've managed to get it to log me out of my google account. Not sure what's up.