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Enhanced Image Captcha - Stop bots from signing up! Details »» | |||||||||||||||||||||||||||
Enhanced Image Captcha - Stop bots from signing up!
Developer Last Online: Dec 2014
Title : Enhanced Image Captcha
Version : 2.2b VB Versions : Currently working and tested on 3.8.4 (as of Dec 2014) Coder : Andy Calderbank & Jason Williams Purpose : Add extra Image Verification to the registration process, using an alternative system to the Captcha system. The Enhanced Image Captcha system is a unique system using images versus text to stop spammers signing up to your forum. The script automatically detects images and uses the filename as the title, making adding new images extremely simple. To further improve security, the images are passed through a script which means that none of the images on the screen have file names - and cannot be associated to the question by title alone - and cannot be viewed by trying to access the images directly. Please note, there is a .htaccess file within the images directory, to keep security tight, this must be kept, without it bots are able to scan the images and make a match, I understand not every server can utilist .htaccess but cannot get around this. Important : This has been tested on 3.7 and 3.6.2 - as far as I know this should be backwards and forwards compatible. My thanks go to all the guys who have helped with this, all the suggestions and feedback, all has been take on board and where necessary included in this new version - members in particular are : King Kovifor, Danny.VBT, Lynne and RCK. Also thanks to ogameclub for the Turkish translated version. I must thank Opserty too for their hard work in making me understand where I was going wrong!! New features from original 1.11 release!! Admin settable options:
I hope this is help to the VBulletin community as I know this is a growing problem. I don't fancy the thought of trawling through hundreds of new members deleting stupid usernames and spam posts. Installation :
File uploads : 53 (including images) Files to Import : 1 New Templates : 2 New Phrases : 15 Uses Hooks : 1 New Queries : 0 History : v2.0b
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Comments |
#112
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Quote:
No problems so far. Quote:
A few nights ago my VPS went down when a bot was hammering the register.php with e few hundred requests/ second. at 4.26 AM not so funny. |
#113
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Thanks for this mod
But I still have spam bots registration on my board : 1 or 2 per day (Wow Gold, Cialis, Viagra, ...) How is it possible? |
#114
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Installed, thank
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#115
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Amazing mod since installing I haven't had a single bot register.
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#116
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I installed, and agree that a strike out system where the bot/person has to wait X amount of minutes per Y amount of failed tries. Thanks Author!
-=[INSTALLED]=- |
#117
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Thanks! Tired of all the spammers.
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#118
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an answer for the following issue MUST come forth!
Warning: dir(images/verification) [function.dir]: failed to open dir: No such file or directory in [path]/register.php(204) : eval()'d code on line 9 Fatal error: Call to a member function on a non-object in /home/rocketma/public_html/forums/register.php(204) : eval()'d code on line 10 this post makes the 7th or 8th unanswered issue of this nature. ask all the clarification questions you like, i'll answer them to the extent of my 30-years of coding's experience allows. otherwise i vote A+ for concept and effort and f-- (that's an f double minus) for support. since my registration process will not work at all with this mod installed. The road to hell is paved with good intentions and bad software |
#119
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sorry for the rant - you know how it goes when its late and you're aggrivated.
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#120
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Hi,
I want this to be fully localised. Therefore I thought its best to rename the images to eg "A Bird_ein Vogel". But for this I would need a code that searches for the string before or after the _ depending on the language. Since I am not skilled with PHP can anybody help me out? Greets |
#121
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Just want to say want a super little add-on.
I was getting around 10- 15 bots a day and now none! It has only been two days (early days yet) but at least this has made my life easier and for my forum staff more managable to delete them. I am sure one or two will slip past, but that, we can handle! Would like a huge favour. Does anyone know how to customize the pics and phrase? I run an Xbox site and would like the captcha be an Xbox related phrase and answer. Would I change the phrase through phrase manager? |
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X vBulletin 3.8.12 by vBS Debug Information | |
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