Re: Going from simple to super CAPTCHA

From: Date: Wed, 13 Jun 2007 02:27:19 +0000
Subject: Re: Going from simple to super CAPTCHA
References: 1 2 3 4 5 6 7 8 9 10 11 12  Groups: php.general 
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At 12:29 PM -0400 6/12/07, Robert Cummings 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.
I was wondering when someone would suggest "Where's Waldo?" Cheers, tedd -- ------- http://sperling.com http://ancientstones.com http://earthstones.com

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