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. 7 Private Hosting (Plesk)Related Knowledge Base Posts -Adjust PHP Version and Enable Error Plesk?How to Save Image of a Private Hosting Service?How to add Port on Firewall Rules Plesk? Post navigation Previous PostNext Post