There are easy instructions that you can follow in Plesk to configure a Plesk server for PCI compliance. Here is the breakdown and the steps you can follow to configure your Plesk Server.
Plesk 12: http://download1.parallels.com/Plesk/Doc/en-US/online/plesk-pci-compliance-guide/
Plesk 11: http://download1.parallels.com/Plesk/PP11/11.0/Doc/en-US/online/plesk-pci-compliance-guide/
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