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Regarding implementation of captchas on a website


stc

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My purpose is to implement a simple website where I have a database of 25 images of captchas.I need to be able to create a form where I can pick a random image from it,the user enters the captcha and using a pre declared list of answers,I can check for the result.

 

Also,at geocities,php runtime environment is not available.

 

Any help will be greatly appreciated.

 

why would you not generate your captcha images on the fly? if you only have 25 then a bot could come along and simply keep using one solution it knows (given by a human) and then keep trying it - a 1 in 25 chance of getting it right is nowhere near strong enough for any security purpose...

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