Creating a user with limited rights
Open the Contacts app and click the "Add contact" link

Set the contact information and save it. Then click "Access" tab and turn on the Access. Now select Limited access option in the Backend row.
Set login and password, which will be used by user for accessing a closed website.

Click Save button. Then you will see access settings for all installed apps. Choose Limited access for Locksight+ app:

In the popup window choose needed options.

Save changes and that's all.