Plesk: Website return with 403 Forbidden

This guide will explain how to solve a website return 403 Forbidden while accessing from web browse. Despite they have web files on it, but when you open, website will always showing 403 Forbidden. This usually happen on Plesk Linux, especially under Signetique. Then how to fix it?

Now make sure we login to SSH first and run this simple command : plesk repair fs DOMAIN

For example :

plesk repair fs DOMAIN

Checking virtual hosts' file system

There is incorrect ownership on some items in the WWW root directory
of the domain 'DOMAIN' ................................... [ERROR]
To see more details, run the command in the verbose mode: plesk repair fs -verbose
Do you want to repair incorrect ownership? [Y/n] 
Repairing incorrect ownership ................................... [FIXED]

Error messages: 1; Warnings: 0; Errors resolved: 1

Now try again to open the DOMAIN, 403 Forbidden should be gone. Refer to this plesk page.