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Does any know a captcha which doesn't require a component

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  #1 (permalink)  
Old 01-02-2007, 05:37 PM
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Default Does any know a captcha which doesn't require a component
Hello,
I am looking for a captcha solution to block automted submissions on website, does any one know of a solution which does not require the use of a server component?

Windows server for ASP

Many thanks
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Old 01-02-2007, 05:43 PM
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It's not possible AFAIK because you must store the captcha "answer" somewhere where the user cannot find it, which is on the server.
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Old 01-02-2007, 06:43 PM
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It is possible. You don't need to use server components to do this, just find a basic asp version. I'll do a search and get back to ya.

Have you looked on Aspin: ASP Scripts, Applications, Tutorials, ASP hosting or Hotscripts.com :: The net's largest PHP, CGI, Perl, JavaScript and ASP script collection and resource web portal yet?
Last edited by davidbehan; 01-02-2007 at 06:45 PM. Reason: read question wrong! :D
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Old 01-02-2007, 08:29 PM
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The best protection against spam, imo, is a challange-response question.

I have an image based one here - Blaa.ie Forum - Registration Image Verification - Obviously that one is slightly more complex than required for yourself but for you to implement something similar, a text based one for example which asks 'what's the capital of Ireland?', shouldn't be too hard.

If you install a popular open source capatcha type script the chances are that spammers will target it. And of course bots can read capatcha images but they don't know what the captial of Ireland is.
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Old 01-02-2007, 08:46 PM
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Quote:
It is possible.
Is "server component" something significant in the ASP world, I read from it that he was asking could it be done without any server-side code?
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Old 01-02-2007, 11:49 PM
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I built a Flash-based CAPTCHA with ASP for a shared server a few weeks weeks ago. Just uses session variables and actionscript. Not 100% secure and not completely accessible but it's worked really well so far - down from a few hundred spams a day to zero! I don't have FTP access at the moment but I'll upload the source for you tomorrow evening. An example can be seen here: Welcome to Intrigue - Blog - Favourite Website Awards 2006 Announced!
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Old 02-02-2007, 11:19 AM
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Thanks guys,
I ended finding a script on hotscripts.com as suggested, easy and quich to instal and free: ASP Security Image Generator (CAPTCHA)

Many thanks
Olivier
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Old 04-02-2007, 02:27 PM
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I like that Blaa.ie one.

Best one i've seen on a website was this one :

KittenAuth.com | Purr-fect protection against spambots
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Old 04-02-2007, 03:56 PM
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Here's one I made earlier. Feel free to use, customise and improve it - http://www.themenace.com/flash_captcha.zip

I'll be releasing it in PHP and Ruby flavours soon so will post them up once they're done.
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