A user is being logged out from Plesk periodically

Here in this article if you working in plesk control panel user logged out from plesk periodically

• A user is being logged out from Plesk periodically when navigating between pages in Plesk interface.
• Plesk redirects to the login page after a successful login attempt.

Cause

User’s IP address is changed during a Plesk session. This may happen if user’s IP address is dynamic or the domain/hostname which is used as a URL for Plesk is behind Cloudflare.

By default, Plesk does not allow IP address changes during a single session.

Below is the step to resolve user is being logged out from Plesk

Resolution

Allow IP address changes during a single session:

1. Log in to Plesk (use the server IP address if it is not possible to log in using the hostname).
2. Go to Tools & Settings > Session Idle Time and enable the option Allow IP address changes during a single session.
3. Click OK to apply the changes.

From the above post you clearly known how to resolve the issue if a user is being logged out from Plesk periodically. Further to know Password protect directories in plesk panel click here.