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Automated Spam Comments, Bot Check (7 posts)

  1. BlueEye
    Member
    Posted 9 years ago #

    Here is a quick plugin that might help with this too. It uses the 'secret code' images to require extra input from the comment form. Quick and easy install with one modification to the comment post form, and one to the css file if you feel so inclined...

  2. SuperSpiker
    Member
    Posted 9 years ago #

    what versions of WP does this support?

  3. Yes, what version of WP does this support? Also, please increase the contrast between the background image and text. Right now it's bot-proof and senior-citizen-proof.

  4. BlueEye
    Member
    Posted 9 years ago #

    I'm using WP 1.2.2. Haven't tried it in other versions yet. Must be a version supporting filters. I'd love to hear if it works in other versions. I'll post when I get to test it or if I hear from others.

    The text color can be changed in bc-config.php, enter whatever hex color you like. :)

    I'll be putting some other images up for download in the next few days.

  5. Kitten
    Member
    Posted 9 years ago #

    Couple of quick notes, welcome to the world of captcha design. Don't reinvent wheels, there's lots of material on the subject.

    Also, your urlencoded string that you pass to the form processor is the same as used to generate the image. Try moving to a hash of a time sensitive shared secret, which will prevent your captcha from being reverse engineered.

    This is the problem that the trencaspammer (sp?) captcha had a while back.

    And realise that you've just prevented anyone who is blind or has poor eyesight from commenting on your blog.

    Keep working on it, a variety of anti-spam solutions in the ecosystem is healthy.

  6. BlueEye
    Member
    Posted 9 years ago #

    New version to support both WP 1.2.x and 1.5
    Bot Check 1.1

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