Re: [WebDNA] Security Images (Captcha)

This WebDNA talk-list message is from

2008

It keeps the original formatting. numero = 100930
interpreted = N
texte = I have tinkered with this service before. I didn't like=20the big clunky red box in my small little contact forms.=20>How about using http://recaptcha.net/>>Same service that Craigslist uses.>>>From the site...>>reCAPTCHA is a free CAPTCHA service that helps to=20>digitize books.>>A CAPTCHA is a program that can tell whether its user is=20>a human or a>computer. You've probably seen them - colorful images=20>with distorted text at>the bottom of Web registration forms. CAPTCHAs are used=20>by many websites to>prevent abuse from "bots," or automated programs usually=20>written to generate>spam. No computer program can read distorted text as well=20>as humans can, so>bots cannot navigate sites protected by CAPTCHAs.>>About 60 million CAPTCHAs are solved by humans around the=20>world every day.>In each case, roughly ten seconds of human time are being=20>spent.>Individually, that's not a lot of time, but in aggregate=20>these little>puzzles consume more than 150,000 hours of work each day.=20>What if we could>make positive use of this human effort? reCAPTCHA does=20>exactly that by>channeling the effort spent solving CAPTCHAs online into=20>"reading" books.>>To archive human knowledge and to make information more=20>accessible to the>world, multiple projects are currently digitizing=20>physical books that were>written before the computer age. The book pages are being=20>photographically>scanned, and then transformed into text using "Optical=20>Character>Recognition" (OCR). The transformation into text is=20>useful because scanning>a book produces images, which are difficult to store on=20>small devices,>expensive to download, and cannot be searched. The=20>problem is that OCR is>not perfect.>>...more on site>>-----Original Message----->From: eddie@thinksite.com [mailto:eddie@thinksite.com]=20>Sent: Wednesday, September 24, 2008 9:47 AM>To: talk@webdna.us>Subject: [WebDNA] Security Images (Captcha)>>Has anyone made a WebDNA version of image security=20>(Captcha) for their forms? I've used on on PHP sites, but=20>not on any of my WebDNA sites, and they are starting to=20>get hit more often with spam. I haven't put much thought=20>into making my own, I thought I'd ask others first.>--------------------------------------------------------->This message is sent to you because you are subscribed to>the mailing list .>To unsubscribe, E-mail to: >archives: http://mail.webdna.us/list/talk@webdna.us>old archives: http://dev.webdna.us/TalkListArchive/>>--------------------------------------------------------->This message is sent to you because you are subscribed to>the mailing list .>To unsubscribe, E-mail to: >archives: http://mail.webdna.us/list/talk@webdna.us>old archives: http://dev.webdna.us/TalkListArchive/ Associated Messages, from the most recent to the oldest:

[BULK] Re: [WebDNA] Security Images (Captcha) ("Psi Prime, Matthew A Perosi " 2008)
Re: [WebDNA] Security Images (Captcha) ( 2008)
Re: [WebDNA] Security Images (Captcha) ("Psi Prime, Matthew A Perosi " 2008)
RE: [WebDNA] Security Images (Captcha) ("Olin Lagon" 2008)
[WebDNA] Security Images (Captcha) ( 2008)

I have tinkered with this service before. I didn't like=20the big clunky red box in my small little contact forms.=20>How about using http://recaptcha.net/>>Same service that Craigslist uses.>>>From the site...>>reCAPTCHA is a free CAPTCHA service that helps to=20>digitize books.>>A CAPTCHA is a program that can tell whether its user is=20>a human or a>computer. You've probably seen them - colorful images=20>with distorted text at>the bottom of Web registration forms. CAPTCHAs are used=20>by many websites to>prevent abuse from "bots," or automated programs usually=20>written to generate>spam. No computer program can read distorted text as well=20>as humans can, so>bots cannot navigate sites protected by CAPTCHAs.>>About 60 million CAPTCHAs are solved by humans around the=20>world every day.>In each case, roughly ten seconds of human time are being=20>spent.>Individually, that's not a lot of time, but in aggregate=20>these little>puzzles consume more than 150,000 hours of work each day.=20>What if we could>make positive use of this human effort? reCAPTCHA does=20>exactly that by>channeling the effort spent solving CAPTCHAs online into=20>"reading" books.>>To archive human knowledge and to make information more=20>accessible to the>world, multiple projects are currently digitizing=20>physical books that were>written before the computer age. The book pages are being=20>photographically>scanned, and then transformed into text using "Optical=20>Character>Recognition" (OCR). The transformation into text is=20>useful because scanning>a book produces images, which are difficult to store on=20>small devices,>expensive to download, and cannot be searched. The=20>problem is that OCR is>not perfect.>>...more on site>>-----Original Message----->From: eddie@thinksite.com [mailto:eddie@thinksite.com]=20>Sent: Wednesday, September 24, 2008 9:47 AM>To: talk@webdna.us>Subject: [WebDNA] Security Images (Captcha)>>Has anyone made a WebDNA version of image security=20>(Captcha) for their forms? I've used on on PHP sites, but=20>not on any of my WebDNA sites, and they are starting to=20>get hit more often with spam. I haven't put much thought=20>into making my own, I thought I'd ask others first.>--------------------------------------------------------->This message is sent to you because you are subscribed to>the mailing list .>To unsubscribe, E-mail to: >archives: http://mail.webdna.us/list/talk@webdna.us>old archives: http://dev.webdna.us/TalkListArchive/>>--------------------------------------------------------->This message is sent to you because you are subscribed to>the mailing list .>To unsubscribe, E-mail to: >archives: http://mail.webdna.us/list/talk@webdna.us>old archives: http://dev.webdna.us/TalkListArchive/

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Re: [WebDNA] Security Images (Captcha)

2008

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