1) Login to the HELM control Panel.
2) Select the Domain for which you wish to configure the protected folder.
3) Click on Secure Folders Icon.
4) Then click on the Users icon & create username & password.
5) If you wish to allow access to group of users, click on Groups icon and mention users.
6) Then click on the Folders option to select the path you wish to secure.
7) Click on the save button to enter setup.
Secure folder can be browsed as : http://www.yourdomain.com/foldername