New Extension for Plesk. Antivirus Protection to enhance your server security. Why choose Flex Antivirus?
Find answers about installation, configuration, licenses and operation of Firewall Manager for Plesk.
CPU usage typically varies between 1% and 3%. It should not consume more CPU than that under normal conditions. In the event of a massive attack, it may exceed this threshold while mitigating it. During the first 72 hours, the system is learning and detecting the behavior of active services. This creates temporary microsecond CPU spikes. If CPU usage exceeds 95% of resources due to the operating system or other applications, the service will pause for 3 minutes and then resume analysis from the point it paused, recovering that 3-minute gap.
You can temporarily and globally disable it by following these steps or quickly uninstall it by following these steps.
The extension should not cause any errors, but to rule it out, try disabling the IIS module and wait 2 minutes, or restart the web service.
If it persists, you can uninstall the IIS module from the command line:
>%plesk_dir%var\modules\flex-firewall-manager\FlexFirewallSetup /uninstallModuleNative && iisreset
If it persists, you can rule out the extension as the cause of the error. You can reinstall the module from the command line:
%plesk_dir%var\modules\flex-firewall-manager\FlexFirewallSetup /installModuleNative