Hey guys!
I am hoping that someone here might know the answer to my question

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I have a forum that is blocked off for the public. It's an invite only forum and I do not want people outside the forum seeing any posts. Guests are forced to register and to be approved before they can take part. So far so good. However, I just saw amazonaws viewing a thread as a "guest"... How on earth is this possible? And all my pages are indexed in google? How can I just allow Google to find the index where guests are forced to login or register and go nowhere beyond that? Thanks for reading and I hope someone might be able to help me out in the right direction.