captcha

CAPTCHA is a great way of preventing spam. Another method of spam prevention is using a web service that scans the content for spam-like content. One popular choice is Akismet. Dries has launched a new web service called Mollom. The thing that makes Mollom neat is that it presents a CAPTCHA when the published content is thought to be spam. Very neat service!

I propose to integrate the Asirra CAPTCHA , which uses a partnertship with petfinder.com that allows users to adopt abandoned dogs and cats, using a Drupal module.

http://research.microsoft.com/asirra/

Hi Folks,
Yesterday I just found RobLoach here in Boston DrupalCon, and he told me that Soxofaan is here also, so...
Why don't we do a Captcha code sprint tomorrow?

cheers
Fabiano Sant'Ana

I have tried multiple times to add comments but the captcha does not work.
10 times, I tried being careful to use no spaces and used the the correct case for each character.

The CAPTCHA module team has released CAPTCHA Version 3.0 and comes with the following features since 3.0 RC3...

Hello all,

Yesterday I added a new CAPTCHA type to CAPTCHA Pack: ASCII art CAPTCHA. In this CAPTCHA the user is challenged with something like this:

  888888ba              88888888b   888888ba    88888888b           
  88    `8b             88          88    `8b   88                  
 a88aaaa8P'  .d8888b.  a88aaaa     a88aaaa8P'  a88aaaa     dP    dP 
  88   `8b.  88ooood8   88          88          88         88    88 
  88     88  88.  ...   88          88          88         88.  .88 
  dP     dP  `88888P'   88888888P   dP          88888888P  `88888P' 

or this:

             __        __  ____   __  __  _____    ___  
  _ __ ___   \ \      / / |  _ \  \ \/ / |_   _|  / _ \ 
 | '_ ` _ \   \ \ /\ / /  | |_) |  \  /    | |   | (_) |
 | | | | | |   \ V  V /   |  _ <   /  \    | |    \__, |
 |_| |_| |_|    \_/\_/    |_| \_\ /_/\_\   |_|      /_/ 

More than 20 fonts are included (based on the font definitions from http://www.figlet.org/).
I expect this to be a hard one for the spam bots to solve.
Tell me what you think.

PS. It's currently only available in the development snapshot, not yet in the official release.
PS2. the CAPTCHA for submitting this story sucks, especially because I previewed it several times.

After going through the issue queue in its entirety, I conclude that there are just a few issues that we have to clear up before the final release of Captcha version 3.0 final...

To go along with the release of Captcha 3.0 final, I put together a small video tutorial on Captcha, Image Captcha and reCAPTCHA.

Crossposting here:
Hi Folks,
Last version from Captcha had an PHP 4 incompatibility.
Sorry to all problems it had gave to you folks, and I really suggest you to upgrade your php version (or ask your provider to do so).
PHP4 is deprecated.