1. A virtualized system comprising: a processor; a virtual machine manager to manage, when executed by the processor, at least one virtual machine; and at least one virtual machine that is managed by the virtual machine manager; wherein the virtual machine manager comprises policy settings that are configurable by an administrator, wherein the policy settings are measured as part of a measured launch of the virtual machine manager by the processor, wherein the policy setting are stored in a portion of the virtual machine manager, wherein the portion of the virtual machine manager is protected from direct memory access while the policy settings are measured to prevent corruption of the virtual machine manager; and wherein the policy settings comprise an instruction to disallow access by the at least one virtual machine to a port.