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Security Notice
Phishing campain
Version 1.4.15
Security Upgrade
Plugins - CAPTCHA
Category: Logging in

This plugin places a CAPTCHA (Completely Automated Public Turing to tell Computers from Humans Apart) input on the login screen that is used to detect whether or not a human is attempting to log in. This helps prevent automated login attacks.


Version 1.2.3
by Paul Lesniewski on Jul 9, 2011
Please support this plugin's development: Donate to this author
[ captcha-1.2.3-1.2.9.tar.gz tarball (5337 d/l) Help ]
Requires: SquirrelMail 1.2.9 or above, Compatibility plugin version 2.0.14 or above, unless using SquirrelMail 1.5.2+ or 1.4.17+

Description:
  • Internationalized reCAPTCHA backend
  • Updated verification address for the reCAPTCHA backend
  • Implemented proxy options for the reCAPTCHA backend

Older versions

Version 1.2.2
by Paul Lesniewski on Jul 6, 2011
[ captcha-1.2.2-1.2.9.tar.gz tarball (1782 d/l) Help ]
Requires: SquirrelMail 1.2.9 or above, Compatibility plugin version 2.0.14 or above, unless using SquirrelMail 1.5.2+ or 1.4.17+

Description:
  • Updated reCAPTCHA API URIs


Version 1.2.1
by Paul Lesniewski on Nov 3, 2009
[ captcha-1.2.1-1.2.9.tar.gz tarball (4771 d/l) Help ]
Requires: SquirrelMail 1.2.9 or above, Compatibility plugin version 2.0.14 or above, unless using SquirrelMail 1.5.2+ or 1.4.17+

Description:
  • Corrected typo in reCAPTCHA backend configuration file(s) (Thanks to Velja Kalik)


Version 1.2
by Paul Lesniewski on Feb 10, 2009
[ captcha-1.2-1.2.9.tar.gz tarball (4231 d/l) Help ]
Requires: SquirrelMail 1.2.9 or above, Compatibility plugin version 2.0.14 or above, unless using SquirrelMail 1.5.2+ or 1.4.17+

Description:
  • Added ability to hide/show the CAPTCHA input only for users at certain IP addresses (or in IP address ranges)
  • Added ability to show/hide the CAPTCHA input only for users logging in from certain countries (Thanks to West Central Ohil Internet Link, Ltd. for sponsoring this feature)
  • Fix PHP notices under PHP 5.3.0 with b2evo, hec and hn_captcha
  • Added ability to store main configuration file in main SquirrelMail config directory (NOTE that any modified backend configuration files are still kept in the associated backend directory within this plugin)
  • Added information in Squirrel Logger event that indicates when *NO* input for the CAPTCHA was given
  • Fixed b2evo backend to prevent easy cracking of the CAPTCHA value based on the image name - thanks to Guillaume Degoulet
  • Use SM's more thorough secure connection detection in reCAPTCHA backend
  • Use improved sq_is_writable() in some backends
  • Use improved sqsetcookie() instead of setcookie()
  • Fixed PHP notices under SquirrelMail 1.5.2 for some backends


Version 1.1
by Paul Lesniewski on Feb 13, 2008
[ captcha-1.1-1.2.9.tar.gz tarball (5637 d/l) Help ]
Requires: SquirrelMail 1.2.9 or above, Compatibility plugin version 2.0.7 or above, unless using SquirrelMail 1.5.2+ or 1.4.10+

Description:
  • Add ability to log CAPTCHA events using the Squirrel Logger plugin


Version 1.0
by Paul Lesniewski on Jul 7, 2007
[ captcha-1.0-1.2.9.tar.gz tarball (4574 d/l) Help ]
Requires: SquirrelMail 1.2.9 or above, Compatibility plugin version 2.0.7 or above, unless using SquirrelMail 1.5.2+ or 1.4.10+

Description: Initial release

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