call_captcha: added parameter 'style', fixed some issue with parameter 'image' and text-style captchas
CAPTCHA: added parameter to call_captcha (can be one of: 'image', 'input' or 'text')
reintroduced include/captcha/asp.php
removed include/captcha/asp.php
CAPTCHA: Wrong text for calc_ttf-captcha.
Changed maxlength of captcha-fields - don't tell the bots how many chars we want to have.
Added some missing add_slashes(), get_post_escaped(), and strip_tags() for $_POST, $_GET and $_REQUEST-data. Also for $_SERVER['PHP_SELF'].
fixed bug with text Captcha (input restricted to 10 characters) and a small layout issue
Text-captcha: moved text-file to database.
Security bugfix: Text file for text-captcha was readable from everywhere. Text-captcha: empty line in test file, following a question, was accepted as answer. Fixed.
Added missing keyword Id
Text-CAPTCHA: uses return() instead of exit() in case of error.
Text-CAPTCHA: added description how to input questions and answers.
fixed possible E_NOTICE-warning
Added Text-CAPTCHA on request. The captcha-text will be stored in temp/.captcha_text.txt
adjusted layout of calc_text-captcha.
added keyword id to new file;
fixed spelling error in german language file of captcha modul
Added new CAPTCHA (calc_ttf_image). Changed call_captcha() to output a table-layout. Some minor changes to captcha-code.
CAPTCHA ttf_image: added variant. Adjusted character-pool and one background for better readability.
Added preview-images for CAPTCHA. Improved security: CAPTCHAS can't be loaded from outside WB
fixed some issues with CAPTCHA and ASP: Adjusted baseline of '*' in supplyed fonts to meet baseline of numbers. Added counter to ttf_image generation-loop. Removed now unneeded GD-lib checks. Improved ASP in news-module.
Added keywords to files where they are missing
ttf-CAPTCHA: check if string is completely inside the image.
Added strongly "condensed" fonts with many intersections for ttf-CAPTCHA as default fonts. It should be very difficult for spam-bots to recognize intersected characters.
added new CAPTCHA and ASP (Advanced Spam Protection)