vb.org Archive - View Single Post - urgent！ i need a mods with Image verification(captcha) on Login

Max Taxable · #13 08-30-2012, 03:11 PM

Quote:

Originally Posted by a9713030

it is only for new user register, not for member login, have you installed it?
so i still need a help .

It makes NO sense to want captcha when dealing with HUMANS. Do you get that? HUMANS CAN SEE THE IMAGES. It will do you NO good. They will simply pass the captcha and continue the brute force attack, if it is HUMANS doing it.

What you need to do is ban their user agent. Here's the mod for that:

Ban Spiders by User Agent

This isn't just for spiders, it's for everything, and I suspect the attacker you have will have something special in his user agent that you can exclude and it won't matter what the IP is.

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