CAPTCHA: spam control
A CAPTCHA is a type of challenge-response test used in computing to determine whether the user is human. This is used in Drupal to prevent spam posts and bot activity.
Installation
- Enable the module
- Go to admin/user/captcha to enable CAPTCHA for various actions
CAPTCHA Blew IE Default Color and Font Settings
I downloaded and installed CAPTCHA ( naively ) using the SEO Checklist Module recommendations. The first time I restarted my computer afterwards, the Internet Explorer default color schemes were blown away and the system font had been replaced with something pretty awful. A bit of research made it clear that this was because I'd set up image CAPTCHA without changing the font selection from it's bitmap font default. This all took me by surprise, because it appeared to work fine before the restart. Things are mostly fixed now. I use Vista, so here are a few tips if anyone has the same problem:
Fix colors using Control Panel: You need to use Appearance and Personalization tools to get your system colors back. ( You can't recover using the Tools tab of the IE browser toolbar )
Fix system fonts: Follow the CAPTHCA true type font install instructions--install the font you want to see as a system font.
Hiccups aside, I appreciate the donation of this sophisticated and powerful module. Ditto the excellent SEO checklist module. Thank you, developers and maintainers. You do great work.