Re: Going from simple to super CAPTCHA

From: Date: Tue, 12 Jun 2007 18:06:34 +0000
Subject: Re: Going from simple to super CAPTCHA
References: 1 2 3 4 5 6 7 8 9 10 11  Groups: php.general 
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On Tue, 2007-06-12 at 19:34 +0200, Tijnema wrote: > On 6/12/07, Robert Cummings <robert@interjinn.com> wrote: > > On Tue, 2007-06-12 at 19:23 +0200, Tijnema wrote: > > > On 6/12/07, Robert Cummings <robert@interjinn.com> wrote: > > > > On Tue, 2007-06-12 at 18:19 +0200, Tijnema wrote: > > > > > On 6/12/07, Robert Cummings <robert@interjinn.com> wrote: > > > > > > On Tue, 2007-06-12 at 12:01 -0400, Robert Cummings wrote: > > > > > > > On Tue, 2007-06-12 at 11:56 -0400, Robert Cummings wrote: > > > > > > > > > > > > > > > > > > > > > > > > (10000 * 100) / 1000000 = .10 = 10% of the time > > > > > > > > > > > > > > Bad math alert... (10000 * 100) / 1000000 = 10 ;) > > > > > > > > > > > > > > Still the same answer though, was just mixing what I wrote with > > > > > > > what I > > > > > > > was thinking :) > > > > > > > > > > > > Bleh, what's wrong with me today... it's 1% not 10%. Still > > > > > > within reason > > > > > > for a spammer. > > > > > > > > > > > > *smacks head to clear the fog* > > > > > > > > > > > > > > > > So, that means that you need to allow maximum of 10 attempts per few > > > > > minutes, so that there will be 0,1% change ;) > > > > > > > > Using Ted's technique I've found the perfect CAPTCHA -- and it's > > > > fun > > > > too: > > > > > > > > http://shorl.com/nomojeryprafri > > > > > > > > Cheers, > > > > Rob. > > > > > > Hmm, LOL > > > > > > Ok, found him ;) He's under the ground ... :P > > > > Heheh, nah, not this time... he's in one of the bumper cars :) > > > > Cheers, > > Rob. > > I see ;) > > So you want to take this picture, change the position of bin laden > randomly, and then just let every user before they post find bin laden > ;) Of course not... I posted it as a joke :) Besides, it would be weak against pattern matching of Bin Laden's head or if different heads were used then would be able to compare images to find where differences occur... but I know you knew that already >:) Cheers, Rob. -- .------------------------------------------------------------. | InterJinn Application Framework - http://www.interjinn.com | :------------------------------------------------------------: | An application and templating framework for PHP. Boasting | | a powerful, scalable system for accessing system services | | such as forms, properties, sessions, and caches. InterJinn | | also provides an extremely flexible architecture for | | creating re-usable components quickly and easily. | `------------------------------------------------------------'

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