en.wikipedia.org/wiki/CAPTCHA A CAPTCHA (an acronym for "C ompletely A utomated P ublic T uring test to tell C omputers and H umans A part") is a type of challenge-response test used in computing to determine whether or not the user is human. The term was coined in 2000 by Luis von Ahn, Manuel Blum, Nicholas J. Hopper of ...
www.codeproject.com/Articles/5947/CAPTCHA-Image CAPTCHA stands for "completely automated public Turing test to tell computers and humans apart." What it means is, a program that can tell humans from machines using some type of generated test. A test most people can easily pass but a computer program cannot.
captcha.net CAPTCHA: Telling Humans and Computers Apart Automatically. A CAPTCHA is a program that protects websites against bots by generating and grading tests that humans can pass but current computer programs cannot.
https://www.drupal.org/project/image_captcha_refresh Description This module adds the link for refreshing image into very popular module for widget image_captcha. If you're interested in helping with this or have problems with this module, please contact me or open an issue in the Image Captcha Refresh module issue tracker.
confidenttechnologies.com/products/confident-captcha Confident CAPTCHA Your Users—Verified. Protect your site and improve your user experience with Confident CAPTCHA. Confident CAPTCHA is an image-based human verification technology that guards against bot traffic without frustrating your users.
captchas.net A CAPTCHA image shows a random string which the user has to type to submit a form. This is a simple problem for (seeing) ... CAPTCHA Image Link: CAPTCHA Image: CAPTCHA Audio Link: CAPTCHA Audio: Phonetic Spelling of the CAPTCHA Spelling in other languages: en de it nl fr:
https://www.drupal.org/project/captcha A CAPTCHA is a challenge-response test most often placed within web forms to determine whether the user is human. The purpose of CAPTCHA is to block form submissions by spambots, which are automated scripts that post spam content everywhere they can. The CAPTCHA module provides this feature to ...
https://wordpress.org/plugins/tags/image-captcha An easy to use wordpress Captcha plugin to prevent spam on your site. You can use Image Captcha to protect comments and the admin panel. By: Captcha Soft
www.snaphost.com/captcha Captcha script. Free and paid HTML code for Captcha form-to-email scripts. Web forms with anti-spam protection, ready to be copied-and-pasted to your site. HTML code for adding Captcha to your existing online forms. Contact Us Create an account Log In.
www.codeproject.com/.../43390/CAPTCHA-Graphic-in-ASP-NET Save the generated bitmap to disk in order to display it to a web user in an ASP.NET application. You can also regenerate the value if the user requests it.
https://community.elgg.org/plugins/721250/2.0/image-captcha This image captcha resolves that issue (with the exception of RSS image, which is a bit nerdy:-) ). An apple is an apple everywhere. As for an improvement, would it make sense to have the option of configuring various image sizes?
stackoverflow.com/.../validating-this-image-captcha-code... I have the captcha creating an image in captcha.php. On my contact php page, it calls for the image & it has a reload and everything works. I just can't seem to find a way to validate it. Her...
forums.asp.net/t/2042176.aspx comego. How to create a simple image captcha in asp.net? Thanks. You can take a look at the below link to get started with Google Re Captcha. How to Setup reCAPTCHA in Asp.Net
www.tipstricks.org Classic ASP and ASP.NET Security Image (CAPTCHA) Generator. Generate images include letters, numbers and word list to make a CAPTCHA test. Completely FREE. The specific versions for Classic ASP and ASP.NET; Randomly generated security codes.
tng.lythgoes.net/wiki/index.php?title=Image_Captcha_Add-on The Image Captcha Add-on should work with any TNG version since TNG V6 when the conditional include for the TNG_captcha.php was added to the suggest.php and newacctform.php.
www.chestysoft.com/imagefile/demos/asp-form-image.asp Creating a form verification image / captcha using ASP and csImageFile. This demo shows how to create an image of some text in a web form and then compare user input to check if they entered the text correctly.
forums.asp.net/t/...How+to+create+Image+Captcha+in+asp+net+ I need to create a image CAPTCHA for my registration form. It should contain random text and numbers combinations. and also have a facility to change the captcha image by the user.
code.google.com/p/image-captcha External links; image-captcha on phpclasses; Image-captcha implements CAPTCHA validation using a fixed list of images. Image-captcha retrieves images from a server side directory and displays the images with obfuscated filenames to the user along with radio buttons,dropdown to let the user pick ...
www.phpclasses.org/package/5638-PHP-CAPTCHA-validation... Image CAPTCHA: CAPTCHA validation using a fixed list of images : Search : All class groups : Latest entries : Top 10 charts : Blog : Forums : Help FAQ : Recommend this page to a friend! Stumble It! Bookmark in del.icio.us : Info. Screenshots. View files (17) Reputation. Links :
https://www.phpbb.com/.../db/mod/rotate_image_captcha_plugin... Description A captcha plugin that rotates supplied images ans asks humans/bots to identify the upright image. Author ckwalsh; Last updated Sat Sep 26, 2009 6:17 am
https://freephpcode.wordpress.com/2009/12/09/secure... Secure Image, Captcha in PHP. December 9, 2009 at 6:14 am vasuashi07 Leave a comment. Securimage is ready to go out of the box with no configuration required.
www.zdnet.com/article/google-research-testing-image-captchas... Google Research testing image CAPTCHA's. Summary: Preventing bots from filling out forms automatically is a hard task. Researchers at Google have been thinking about more effective ways of achieving this goal.