Re: CAPTCHA update

 
From: "Mariano Absatz" <el.baby@PROTECTED>
In-Reply-To: CAPTCHA update
Date: August 11th 2006

On 11 Aug 2006 08:15:09 -0000, Justin Simoni Dada Mail dada@PROTECTED wrote: > >

I enabled the use of CAPTCHA:

http://en wikipedia org/wiki/CAPTCHA

Challenge/Response verification on this (dadadev) list, using this:

http://search cpan org/~burak/GD-SecurityImage/lib/GD/SecurityImage pm

Hopefully, this'll cut down on some of the randomness of the messages sent to the list If you'd like to test it out, try unsubscribing from the list and re-subscribing in the usual ways and see what happens,

EXCELLENT, JUSTIN!!!

I just did so I'm amazed!

A couple of things I'd change are:

  • (most important): I'd do the captcha before sending the subscription e-mail, so that the subscription form can't be abused for mail bombing

  • I'd do a case insensitive comparison of the strings the size changes in the images sometimes make people fail too often (our national NIC uses a case-sensitive captcha for most web forms and I know it's a source of frustration)

Thanx for all your work

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