CAPTCHA’s and phpBB

“Easy for bots, difficult for humans”. Not that it was the idea behind Completely Automated Public Turing tests to tell Computers and Humans Apart. The proper test should:

  1. work properly out of the box
  2. work regardless of language settings
  3. be solvable for almost all humans
  4. and few Bots

But what about the implementations? Read about CAPTCHA’s here.