SMF Development > Bug Reports

Captcha verification issue

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Srinib:
I am not sure weather it is a bug in 2.0.2, or the functionality is built like that.

When a new user is registering, in the Verification section, if they click on Request another image link, the same matter is displayed, but in a different way(different image, but same alphabets).

For example if the image shows the letters DTPPCW, after clicking Request another image, it still shows DTPPCW. Just the image changes.

Is it a bug or does it supposed to work that way?

Arantor:
It is actually supposed to work that way, daft as it sounds - it's for when the letters are so obscured by noise that you cannot see what they're supposed to be.

Honestly, though, you're better dropping the CAPTCHA and using an anti-spam question. Or at least getting a different CAPTCHA (there are several to choose from)

Srinib:
I really want to know one thing. Do these CAPTCHA stuff save us from spammers? I mean any of them, not just the one provided by default by SMF.

One thing bothering me is, the more complex we make the registration process to get rid of these spammers, there are chances that the genuine user may get bored and tired of doing that, and he may leave(untill unless the service we provide him is one of a kind).

Arantor:
They do - right up until the point that they're broken. reCAPTCHA has been broken, all the rest for SMF, it's only really a matter of time until they can be automated. Most of the new wave 'playing games' type CAPTCHAs are actually surprisingly weak.

That's why we suggest Q&A - it takes no more effort to solve for a human (and gets the benefit that you're targeting it at the users who you actually want on the forum), doesn't discriminate against disabled users as much, and just for fun a single well written question pretty much nails bots dead because they can't solve it automatically.

Antechinus:
What he said. I've stopped using captcha completely on the site I run, and just rely on a custom question.

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