Enable reCAPTCHA in moodle when user sign up

Moodle security is an inevitable part when you register on it. There are many ways you can better secure your Moodle. Everybody may be familiar with reCAPTCHA, a way that other sites ensure you’re actually a person. This blog explains you how to enable reCAPTCHA in Moodle when user sign up.

Step 1: Site Administration-> Plugins-> Authentication-> Manage authentication
Enable "Email-based self-registration".

 

Step 2: In the Email-based self-registration settings:

Enable reCAPTCHA element is set to "Yes".

Step 3: Sign up to http://www.google.com/recaptcha and get the public/private keys.

 

Step 4: Put them at Admin-> Plugins-> Authentication-> Manage authentication page and save it!