glFusion Documentation Project glFusion Wiki

CAPTCHA Configuration

Graphics Driver Select GD Libs to use GD PHP Graphics Library.
Select ImageMagick to use the ImageMagick convert utility.
Select Static Images to use the prebuilt images supplied with CAPTCHA.
Select reCAPTCHA to use the reCAPTCHA service which helps to digitize books, newspapers and old time radio shows. Visit the reCAPTCHA website for more details.
Static Image Set If you choose Static Images as the graphics driver, select which set of static images you wish to use. Default is a set of images that look just like the dynamic images generated by CAPTCHA. Simple is a very simple graphic that is much easier to read.
Graphics Format Specifies the format of the CAPTCHA graphic (JPG or PNG).
Full Path to ImageMagick's Convert Utility Specifies the full path to ImageMagick’s convert program (i.e. /usr/local/bin/convert or /usr/bin/convert).
reCAPTCHA Public Key The reCAPTCHA Public Key - To obtain a reCAPTCHA public / private key please sign up for an API key at the reCAPTCHA site.
reCAPTCHA Private Key The reCAPTCHA Private Key - To obtain a reCAPTCHA public / private key please sign up for an API key at the reCAPTCHA site.
reCAPTCHA Theme Specify the reCAPTCHA theme. Valid choices are:
  • white
  • red
  • darkglass
  • clean
Debug If enabled, CAPTCHA will place detailed debug messages in the glFusion error.log file.
Log Invalid CAPTCHA Attempts If enabled, CAPTCHA failures will be logged in the glFusion captcha.log file.
How Many Seconds a CAPTCHA Session is Valid How many seconds a CAPTCHA session is considered valid.  Once this time limit has expired, the CAPTCHA will fail due to session timeout.
CAPTCHA Integration
Anonymous Only Only present the CAPTCHA entry to non-logged in users.
Force CAPTCHA for All Remote Users Force CAPTCHA for all 'remote' users (Open ID type users).
Enable Comment Enable CAPTCHA for comments.
Enable Story Enable CAPTCHA for story submissions.
Enable Registration Enable CAPTCHA for new user registration.
Enable Contact Enable CAPTCHA for contact users (via email).
Enable Email Story Enable CAPTCHA to email a story.
Enable Forum Enable CAPTCHA for Forum postings.
Enable Media Gallery (Postcards) Enable CAPTCHA for Media Gallery postcards.
Enable Links Plugin Support Enable CAPTCHA for new link submissions.
Enable Calendar Plugin Support Enable CAPTCHA for new event submissions.