Add captcha to Forums

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  • subharb
    New Member
    • Jul 2010
    • 2

    [Forum] Add captcha to Forums

    Hello guys,

    I would like to know if there's an easy way to add a captcha before a user creates or answers a thread in a forum.

  • Trevor Hannant
    vBulletin Support
    • Aug 2002
    • 24188
    • 5.7.X

    Sorry, there is no function to do this. This requires modifying the code. We cannot officially support code modifications or forums running modified code, however you can try searching or asking for help with this over at
    Vote for:

    - Admin Settable Paid Subscription Reminder Timeframe (vB6)
    - Add Admin ability to auto-subscribe users to specific channel(s) (vB6)


    • Steve Machol
      Former Customer Support Manager
      • Jul 2000
      • 154488

      Actually this may be possible. First, this feature requires that either your PHP be installed with full GD support or that your server is running ImageMagick version 6 or higher and you are using the correct path to this in the Image Settings. If neither one of these is installed correctly, then you will not be able to use the Image Verification function.

      Check to make sure your PHP is compiled with GD or that your server has ImageMagick installed and configured:

      Admin CP -> Settings -> Options -> Image Settings

      Then set this:

      Admin CP -> Settings -> Human Verification Manager -> Image Verification -> Image Verification Options

      If these are installed you will see images for them. If there are no images there, these are either not installed or you have the wrong path for IM.

      Then set this:

      Admin CP -> Settings -> Options -> Human Verification Options -> Post (checked)

      And finally, make sure that the usergroup(s) you want this applied to have this set:

      Admin CP -> Usergroups -> Usergroup Manager -> Edit Usergroup -> Require Human Verification on Configured Actions -> Yes

      Note: This will apply ALL the checked 'Human Verification Options' options to those groups.
      Steve Machol, former vBulletin Customer Support Manager (and NOT retired!)
      Change CKEditor Colors to Match Style (for 4.1.4 and above)

      Steve Machol Photography

      Mankind is the only creature smart enough to know its own history, and dumb enough to ignore it.


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