- Plesk 12.5 for Linux
How to forbid users from changing PHP handler and PHP version?
Remove corresponding permission from the Service plan and sync all subscriptions:
Go to Service Plans > [Service plan name] > Permissions tab
Disable the following options:
- Hosting settings management
- Common PHP settings management
- PHP version and handler management
Click Update & Sync to apply new permissions to all subscriptions bound to this service plan.