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Samizdat CAPTCHA is configured like other parts if Samizdat.
Configuration is located under the following subtree:
plugins:
options:
spam:
captcha:
Variables used by various parts of plugin:
- number total number of captha files to generate and use
(default: 1000)
- directory where to store image files (default: /var/lib/samizdat/captcha)
- font font used during image generation (default: DejaVu Serif)
- fontsize font size in pixels (default: 24)
- hoffset horisontal offset of first letter (and letter width too)
(default: font size * 5/6)
- unrotate whether letter's baseline rotated with accumulation or not
(default: false)
- web_path virtual path to captcha images directory (default: /captcha/)
- usecookie whether to set or not cookie if first challenge successfully
passed (default: false)
- passed cookie plain content, change it! (default: captcha_passed)
- saltlength cookie salt length, better change it (3..5 is okay)
(default: 4)
To create/delete/update captcha images and database table use
samizdat-manage-captcha. It accepts the following options:
-s, --site=SITE Samizdat site name
-f, --format=[FORMAT] Image format, default one is `png'
-c, --create Create images and database table
-u, --update Update (create new) images
-d, --delete Delete images and drop table
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