2020-05-14 23:29:41 +02:00
|
|
|
Captcha
|
|
|
|
=======
|
|
|
|
|
|
|
|
Presentation
|
|
|
|
------------
|
|
|
|
|
|
|
|
Captcha is a security mechanism aimed to prevent robots to submit forms.
|
|
|
|
|
|
|
|
Captchas are available on the following forms:
|
|
|
|
|
|
|
|
- Login form: where user enters login and password to authenticate
|
|
|
|
- Password reset by mail form: where user enters mail to recover a lost
|
|
|
|
password
|
|
|
|
- Register form: where user enters information to create a new account
|
|
|
|
|
|
|
|
|
2020-05-21 15:13:24 +02:00
|
|
|
.. attention::
|
2020-05-14 23:29:41 +02:00
|
|
|
|
|
|
|
We use the Perl module GD::SecurityImage to generate
|
|
|
|
images, you need to install it if you enable Captcha feature.
|
|
|
|
|
|
|
|
Configuration
|
|
|
|
-------------
|
|
|
|
|
|
|
|
Go in ``General parameters`` > ``Portal`` > ``Captcha``:
|
|
|
|
|
|
|
|
- **Activation in login form**: set to 1 to display captcha in login
|
|
|
|
form
|
|
|
|
- **Activation in password reset by mail form**: set to 1 to display
|
|
|
|
captcha in password reset by mail form
|
|
|
|
- **Activation in register form**: set to 1 to display captcha in
|
|
|
|
register form
|
|
|
|
- **Size**: length of captcha
|