General > Off Topic

Invision help - how to limit spammers

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Numsgil:
Yeah, it's an issue with the CAPTCHAs.  In the end, I think the main weakness with Invision boards is their popularity.  Too many bots out there that can register themselves.

One suggestion I heard but have no idea how to implement would have users that register input an answer to a question like "what city is this board about".  It wouldn't be hard for a spammer to give the answer to his bot, but hopefully it would be just discouraging enough to make them move on to other boards.

Basically, you could ask any question that a human wouldn't have a hard time asking, but a computer would.  No idea how to implement it though.

Racecarlock:
Simple my fine friend direct the spammers here http://z6.invisionfree.com/World_of_Spam_Forums/index.php

Testlund:
Maybe we should head over there and force them to participate in an intellectual discussion. That whould be like spamming on that forum.  

Elite:
How's this for a CAPTCHA?

Essentially, a bunch of pictures of cats and dogs, and you have to got through identifying them as either cats or dogs. Humans can do that easily, but computers completely fail at that kind of pattern-recognition.

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