GraphMath CAPTCHA is a graphical version of the well-known Math CAPTCHA, which is part of the CAPTCHA module. In this case the mathematical equation is hidden in an obfuscated image.
Poem CAPTCHA is an unique kind of CAPTCHA which uses verses of poems displayed as an image with disturbing informations in the background to provide a challenge.
This module is 3rd party integration with Tor (anonymity network). You have to be Drupal developer to use this module.
Tor (short for The onion router) is a system intended to enable online anonymity. Tor client software routes Internet traffic through a worldwide volunteer network of servers to conceal a user's location or usage from anyone conducting network surveillance or traffic analysis. Using Tor makes it more difficult to trace Internet activity, including "visits to Web sites, online posts, instant messages and other communication forms", back to the user and is intended to protect users' personal freedom, privacy, and ability to conduct confidential business by keeping their internet activities from being monitored.
Note
This module provides basic functionality for Tor project by implementing simple server connector.
If you need to implement additional functionality, patches are welcome.
This module is 3rd party integration with Death by Captcha service. You have to be Drupal developer to use this module.
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