Re: CAPTCHA system in webDNA

This WebDNA talk-list message is from

2005


It keeps the original formatting.
numero = 60806
interpreted = N
texte = I suppose, but it depends how bad the programmer wants to auto-submit your form :) -Dan On Wed, 19 Jan 2005 22:21:22 +0800 Kenneth Grome wrote: > The bot programmer would have to custom code a bot specifically for a site that uses this >technique, and it's possible but unlikely, don't you think? > > > >>But what about when the bots figure it out and are reprogrammed to bypass? Clever, but not >>secure. >>-Dan >> >>On Wed, 19 Jan 2005 08:06:20 -0500 >> Justin Carroll wrote: >>>Awesome solution. It bypasses all the hassle and is just as effective. >>>Great job, Ken. >>> >>>Justin Carroll >>> >>> >>>On 1/18/05 10:22 PM, "Kenneth Grome" wrote: >>> >>>>>Has anyone done a CAPTCHA system in WebDNA? >>>> >>>>It's easier (and probably just as effective) to use a system that >>>>described a numeric value in words, then just tell the visitor to >>>>enter that value in numeric digits: >>>> >>>>"To stop the robots from submitting this form automatically, please >>>>enter 'one two three four five' in numbers into the following form >>>>field:" >>>> >>>>Then just generate the numeric string randomly and use a "numbers to >>>>words" database to put the words on the page in between the single >>>>quotes. Or instead of individual digits you could use a "numbers to >>>>words" database that contains the full verbal description of all the >>>>numbers from one to 10,000 and use those verbal descriptions instead: >>>> >>>>"Please enter the number 'four thousand two hundred seventy nine' >>>>into the following form field:" >>>> >>>>if you use one of these two techniques it can all be done in WebDNA, >>>>no images and no other special software required. >>>> >>>>:) >>> >>> >>> >>> >>>------------------------------------------------------------- >>>This message is sent to you because you are subscribed to >>> the mailing list . >>>To unsubscribe, E-mail to: >>>To switch to the DIGEST mode, E-mail to >>>Web Archive of this list is at: http://webdna.smithmicro.com/ >> >> >>------------------------------------------------------------- >>This message is sent to you because you are subscribed to >> the mailing list . >>To unsubscribe, E-mail to: >>To switch to the DIGEST mode, E-mail to >>Web Archive of this list is at: http://webdna.smithmicro.com/ > > > -- > > Sincerely, > Kenneth Grome > www.kengrome.com > > ------------------------------------------------------------- > This message is sent to you because you are subscribed to > the mailing list . > To unsubscribe, E-mail to: > To switch to the DIGEST mode, E-mail to > Web Archive of this list is at: http://webdna.smithmicro.com/ ------------------------------------------------------------- This message is sent to you because you are subscribed to the mailing list . To unsubscribe, E-mail to: To switch to the DIGEST mode, E-mail to Web Archive of this list is at: http://webdna.smithmicro.com/ Associated Messages, from the most recent to the oldest:

    
  1. Re: CAPTCHA system in webDNA ( Justin Carroll 2005)
  2. Re: CAPTCHA system in webDNA ( Kenneth Grome 2005)
  3. Re: CAPTCHA system in webDNA ( "Dan Strong" 2005)
  4. Re: CAPTCHA system in webDNA ( "Dan Strong" 2005)
  5. Re: CAPTCHA system in webDNA ( devaulw@onebox.com 2005)
  6. Re: CAPTCHA system in webDNA ( Kenneth Grome 2005)
  7. Re: CAPTCHA system in webDNA ( "Dan Strong" 2005)
  8. Re: CAPTCHA system in webDNA ( devaulw@onebox.com 2005)
  9. Re: CAPTCHA system in webDNA ( Kenneth Grome 2005)
  10. Re: CAPTCHA system in webDNA ( "Dan Strong" 2005)
  11. Re: CAPTCHA system in webDNA ( Justin Carroll 2005)
  12. Re: CAPTCHA system in webDNA ( Clint Davis 2005)
  13. Re: CAPTCHA system in webDNA ( Kenneth Grome 2005)
  14. Re: CAPTCHA system in webDNA ( "Dan Strong" 2005)
  15. Re: CAPTCHA system in webDNA ( Justin Carroll 2005)
  16. CAPTCHA system in webDNA ( devaulw@onebox.com 2005)
I suppose, but it depends how bad the programmer wants to auto-submit your form :) -Dan On Wed, 19 Jan 2005 22:21:22 +0800 Kenneth Grome wrote: > The bot programmer would have to custom code a bot specifically for a site that uses this >technique, and it's possible but unlikely, don't you think? > > > >>But what about when the bots figure it out and are reprogrammed to bypass? Clever, but not >>secure. >>-Dan >> >>On Wed, 19 Jan 2005 08:06:20 -0500 >> Justin Carroll wrote: >>>Awesome solution. It bypasses all the hassle and is just as effective. >>>Great job, Ken. >>> >>>Justin Carroll >>> >>> >>>On 1/18/05 10:22 PM, "Kenneth Grome" wrote: >>> >>>>>Has anyone done a CAPTCHA system in WebDNA? >>>> >>>>It's easier (and probably just as effective) to use a system that >>>>described a numeric value in words, then just tell the visitor to >>>>enter that value in numeric digits: >>>> >>>>"To stop the robots from submitting this form automatically, please >>>>enter 'one two three four five' in numbers into the following form >>>>field:" >>>> >>>>Then just generate the numeric string randomly and use a "numbers to >>>>words" database to put the words on the page in between the single >>>>quotes. Or instead of individual digits you could use a "numbers to >>>>words" database that contains the full verbal description of all the >>>>numbers from one to 10,000 and use those verbal descriptions instead: >>>> >>>>"Please enter the number 'four thousand two hundred seventy nine' >>>>into the following form field:" >>>> >>>>if you use one of these two techniques it can all be done in WebDNA, >>>>no images and no other special software required. >>>> >>>>:) >>> >>> >>> >>> >>>------------------------------------------------------------- >>>This message is sent to you because you are subscribed to >>> the mailing list . >>>To unsubscribe, E-mail to: >>>To switch to the DIGEST mode, E-mail to >>>Web Archive of this list is at: http://webdna.smithmicro.com/ >> >> >>------------------------------------------------------------- >>This message is sent to you because you are subscribed to >> the mailing list . >>To unsubscribe, E-mail to: >>To switch to the DIGEST mode, E-mail to >>Web Archive of this list is at: http://webdna.smithmicro.com/ > > > -- > > Sincerely, > Kenneth Grome > www.kengrome.com > > ------------------------------------------------------------- > This message is sent to you because you are subscribed to > the mailing list . > To unsubscribe, E-mail to: > To switch to the DIGEST mode, E-mail to > Web Archive of this list is at: http://webdna.smithmicro.com/ ------------------------------------------------------------- This message is sent to you because you are subscribed to the mailing list . To unsubscribe, E-mail to: To switch to the DIGEST mode, E-mail to Web Archive of this list is at: http://webdna.smithmicro.com/ "Dan Strong"

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