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  • [Any Version] Add an extra question to the registration to prevent bot registrations

    This solution will only work for vBulletin 3.6.3 and higher. On the lower 3.6 versions it will allow for a blank response.

    vBulletin already offers a lot of buildin protections against registrations by bots (automated) like CAPTCHA (Image Verification), Email Verification or Registration Moderation. These will however not always protect you against human-assisted bot registrations (registration process automated, a human provide the CAPTCHA verification).

    Unfortunatly there is no way to block all human-assisted registrations, adding an extra question to the registration process can however frustrate this type and often they will simply skip your board because it is causing them too much work.

    How to add an extra registration question to frustrate human-assisted bot registration?

    AdminCP -> User Profile Fields -> Add New User Profile Field

    Profile Field Type: Single-Line Text Field
    <<Continue>>

    Use the following information when creating the Profile Field:
    Title: Can you spell?
    (Note: Adjust the title to the question you want to ask)
    Description: Enter the first character of the word "Monkey"
    (Note: Adjust the question. Don't use this example as it would be quickly picked up by bot registrations)
    Default Value: B
    (Note: anything but a valid answer)
    Field Required: Yes, at registration and profile updating
    Field Editable by User: Only at registration
    Private Field: Yes
    Field Searchable on Members List: No
    Show on Members List: No
    Regular Expression: ^[mM]$
    (Note: this expression would only allow a 'm' or 'M' as valid answers, adjust to your needs)

    This is not a fool proof solution, but will probably limit the number of semi-automated registrations.
    Last edited by Marco van Herwaarden; Wed 6th Dec '06, 1:02am.
    Want to take your board beyond the standard vBulletin features?
    Visit the official Member to Member support site for vBulletin Modifications: www.vbulletin.org

  • #2
    Note: If you wish to use an answer with multiple characters and want to allow either lower-case or upper-case, then here is an example on a Regular Expression that allows both 'yes' and YES':

    ^yes|YES$
    Steve Machol, former vBulletin Customer Support Manager (and NOT retired!)
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