How to turn on Firewall in Plesk Login to Plesk Click on Tools & Settings. Click on Firewall in the main section of Security. The system will be on Switch off, press Switch on at all. 160Private Hosting (Plesk)Related Knowledge Base Posts -How to Change the Current IP from ‘Shared’ to ‘Dedicated’ in the Plesk server?How to extract Zip files in Plesk?How to Generate CSR in Plesk Server?