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NoSpam! - an alternative to CAPTCHA images Details »»
NoSpam! - an alternative to CAPTCHA images
Version: 3.0, by antialiasis antialiasis is offline
Developer Last Online: Nov 2013 Show Printable Version Email this Page

Category: Miscellaneous Hacks - Version: 3.6.x Rating:
Released: 08-23-2006 Last Update: 06-22-2008 Installs: 1568
Uses Plugins Auto-Templates
 
No support by the author.

This hack is for vBulletin 3.6.x. For 3.5.x, please use the one provided in this thread. If you are using 3.7.x, you must use the one in this thread.

This simple hack is meant as a replacement for the default CAPTCHA system in vBulletin. There are two main reasons one might want to do this: firstly, new technology is constantly being developed to crack CAPTCHA images and make spam accounts anyway, and secondly, the more secure the CAPTCHA, the more difficult it is for genuine users to tell what the numbers in the image are. There is also the issue of visually impaired users, and the fact that not all servers are capable of generating CAPTCHA images.

So what does this hack do instead? It asks a question. Any question you want. That's the best part: YOU make up the questions, which means that every forum is unique, which means that it is impossible for spambots to be simply programmed to bypass it at all forums with the hack installed. You can make one or many questions - if you make many, the hack will pick one at random when a guest attempts to register, search, post or send mail through the Contact Us form. Their input is compared with your specified answer, and voil?, if they get it right they're pretty much guaranteed to be human. If they get it wrong, they're given an error message.

It doesn't have to be a complicated question. Heck, you can just make it "Please type 'blah' into this box." Or you can go with inserting a simple image with HTML and ask what is shown on the image. Or you can ask them to tell you two plus two. It's up to you. In fact, this can also be used as a means of forcing people to read the rules by asking for a certain password found there, or if your forum focuses on a specialized subject, ask a question concerning the subject that all your genuine users will be able to answer, but a random troll or "CAPTCHA-sweatshop-reader" will be scratching their head over.

It's simple to install, too: just one product to import, and that's it.


VERSION HISTORY:

3.0: Added functionality to allow users to specify which pages should use NoSpam!.
2.0: Extended the NoSpam! functionality to guest posts, guest searches and guest "Contact Us" in addition to registration.
1.1: Made template edit automatic (with thanks to Cole2026), added ability to have more than one answer to each question, and made answers case insensitive. To upgrade, I recommend undoing the template edit so you won't have to worry about it anymore (replace $nospamfield in the template register with $imagereg, or if you added $nospamfield above $imagereg, just remove $nospamfield altogether), and then reimport the product through the Admin CP (making sure that Allow Overwrite is set to On).
1.0: Initial release.


INSTALLATION:

Please download NoSpam!.zip, not product-nospam.xml, for the tested version. product.nospam.xml is NoSpam! 4.0 adapted blindly to 3.6, i.e. by editing the XML file for the 3.7 version without actually testing it on a 3.6 board. Theoretically it should work, but I cannot guarantee it at this time. If you download NoSpam!.zip and unzip it, it will contain another file called product.nospam.xml, which you should use.

1. Import product-nospam.xml through the Admin CP product manager.
2. Go to your vBulletin options in the Admin CP and select NoSpam! Settings. Once there, turn the system on and input your questions and answers according to the instructions there.

The system should now be functional and running.


UNINSTALLATION:

Just uninstall the product through the Admin CP.


SUPPORT:

Full support will be given here in this thread. All suggestions are welcome.

Thank you and please click "Mark as Installed" if you like it.


If NoSpam! is not working for you or you are looking for something a little different, you might want to check out Advanced Textual Confirmation.

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  • This modification may not be copied, reproduced or published elsewhere without author's permission.

Comments
  #542  
Old 06-27-2007, 01:27 AM
DiscussNASCAR DiscussNASCAR is offline
 
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I too am getting them again. I am sure they are bots because I have a required field (zipcode) and they ALWAYS enter HTTP: (5 letters, because I set it to 5 characters)

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  #543  
Old 06-28-2007, 12:03 AM
momo2 momo2 is offline
 
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I like this idea, my i have a slow server and time to time, people tell me the image is not showing, and since this is a text style, it can work 4 me...

Thanks Installed
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  #544  
Old 06-28-2007, 09:15 AM
Thinkinstein Thinkinstein is offline
 
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Quote:
Originally Posted by DiscussNASCAR View Post
I too am getting them again. I am sure they are bots because I have a required field (zipcode) and they ALWAYS enter HTTP: (5 letters, because I set it to 5 characters)

I have encountered a similar problem. I was thinking .. how can it be possible to bypass my custom question?
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  #545  
Old 06-28-2007, 01:14 PM
killa101 killa101 is offline
 
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Hey guys. I dont want to hijack this thread but if anyone knows if something like this exists for wordpress, could you please PM me. Thanks.
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  #546  
Old 06-28-2007, 06:47 PM
Devil Woman Devil Woman is offline
 
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I have had a recent problem with this hack in which after I installed it, it prevented any activation emails going out, I have taken a look to see why it could be conflicting with activation emails but haven't been able to work it out.

I have now had to disable this hack but if anyone can help me with the problem that would be greatly appreciated.
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  #547  
Old 06-29-2007, 03:00 PM
KipLarson KipLarson is offline
 
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Quote:
Originally Posted by Thinkinstein View Post
I have encountered a similar problem. I was thinking .. how can it be possible to bypass my custom question?
Yah, I have the most recent version on one of my forums and I'm getting a few bots now. But on one of my older forums using version 2 does not have any problems.

How do the bots still get through? I'm using an addition question.
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  #548  
Old 06-29-2007, 03:45 PM
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theFAILURE theFAILURE is offline
 
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I was totally flooded with bots, and this has stopped every one for the past couple months.

Some bots are human powered and will always be able to get in. The AI type it should stop if you make a little more then simple question.

For instance, one of my 10 questions is:

"Please type in the word scambaiter in the below box"
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  #549  
Old 06-29-2007, 05:55 PM
KipLarson KipLarson is offline
 
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So is there a way to tell if the bot is AI or not? Perhaps I'll have to look into making a usergroup that can't post hyperlinks until they have a certain number of posts...
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  #550  
Old 06-30-2007, 05:47 PM
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chkdgate chkdgate is offline
 
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I've been getting a lot of spam lately. I even changed my questions but they still seem to be getting through.
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  #551  
Old 06-30-2007, 07:54 PM
techxpert techxpert is offline
 
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Is there any change we can use the same for Vb 3.0.8

I can not upgrade to 3.5 series because of huge customizations I have done.
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