Tickets :: [#4566] Wider captcha support including accessible options

6.0.0

7/2/26

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Summary	Wider captcha support including accessible options
Queue	Horde Framework Packages
Queue Version	HEAD
Type	Enhancement
State	Accepted
Priority	1. Low
Owners
Requester	chuck (at) horde (dot) org
Created	10/27/06 (7188 days ago)
Due
Updated	12/9/09 (6049 days ago)
Assigned
Resolved
Milestone	Horde 4.0
Patch	No

155	Chuck Hagenbuch	Comment #11	Reply to this comment
http://www.web-development-blog.com/archives/create-custom-recaptcha-images-using-their-api/

514	Chuck Hagenbuch	Comment #10	Reply to this comment
Overview of accessible options: http://www.webaim.org/blog/spam_free_accessible_forms/

101	Chuck Hagenbuch	Comment #9	Reply to this comment
Recaptcha now has radio-show transcription audio captchas: http://blog.recaptcha.net/2008/12/new-audio-recaptcha.html

14	Chuck Hagenbuch	State ⇒ Accepted

138	Chuck Hagenbuch	Comment #8	Reply to this comment
http://nedbatchelder.com/text/stopbots.html

331	Chuck Hagenbuch	Comment #7	Reply to this comment
http://haacked.com/archive/2007/09/11/honeypot-captcha.aspx

4111	Chuck Hagenbuch	Comment #6	Reply to this comment
http://freecodesnippet.com/articles/security/preventing-spam-on-your-website-without-using-captcha/

192	Chuck Hagenbuch	State ⇒ Stalled

325	Chuck Hagenbuch	Comment #5	Reply to this comment
http://recaptcha.net/

433	Matt Selsky	Comment #4	Reply to this comment
http://www.ejeliot.com/pages/2

159	Chuck Hagenbuch	Comment #3 New Attachment: Audio_CAPTCHA-0.0.4.tgz	Reply to this comment
Some code for audio captchas.

513	Chuck Hagenbuch	Comment #2	Reply to this comment
Another possibility for agents that support javascript: client-side challenge response (request a certain calculation)

39	Chuck Hagenbuch	Comment #1 Priority ⇒ 1. Low State ⇒ Accepted Queue ⇒ Horde Framework Packages Summary ⇒ Wider captcha support including accessible options Type ⇒ Enhancement	Reply to this comment
http://pear.php.net/pepr/pepr-proposal-show.php?id=433 http://pear.php.net/pepr/pepr-proposal-show.php?id=451 http://meyerweb.com/eric/thoughts/2005/01/24/wp-gatekeeper/ http://www.gigoit.org/humanauth/ http://www.accessibilityblog.com/wp-content/uploads/2006/06/zoints.png http://www.halfbakery.com/idea/Simple_20question_20CAPTCHA