VMware vSphere 8.0 Virtual Machine Security Technical Implementation Guide
Rules, Groups, and Values defined within the XCCDF Benchmark
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Virtual machines (VMs) must disable DirectPath I/O devices when not required.
VMDirectPath I/O (PCI passthrough) enables direct assignment of hardware PCI functions to VMs. This gives the VM access to the PCI functions with minimal intervention from the ESXi host. This is a ...Rule Medium Severity -
Virtual machines (VMs) must have drag and drop operations disabled.
Copy and paste operations are disabled by default; however, explicitly disabling this feature will enable audit controls to verify this setting is correct. Copy, paste, drag and drop, or GUI copy/p...Rule Low Severity -
Virtual machines (VMs) must have virtual disk shrinking disabled.
Shrinking a virtual disk reclaims unused space in it. If there is empty space in the disk, this process reduces the amount of space the virtual disk occupies on the host drive. Normal users and pro...Rule Medium Severity -
Virtual machines (VMs) must limit console sharing.
By default, more than one user at a time can connect to remote console sessions. When multiple sessions are activated, each terminal window receives a notification about the new session. If an admi...Rule Medium Severity -
Virtual machines (VMs) must limit informational messages from the virtual machine to the VMX file.
The configuration file containing these name-value pairs is limited to a size of 1MB. If not limited, VMware tools in the guest operating system are capable of sending a large and continuous data s...Rule Low Severity -
Virtual machines (VMs) must prevent unauthorized removal, connection, and modification of devices.
In a virtual machine, users and processes without root or administrator privileges can connect or disconnect devices, such as network adaptors and CD-ROM drives, and can modify device settings. Use...Rule Medium Severity -
Virtual machines (VMs) must disable 3D features when not required.
For performance reasons, it is recommended that 3D acceleration be disabled on virtual machines that do not require 3D functionality (e.g., most server workloads or desktops not using 3D applicatio...Rule Low Severity -
Virtual machines (VMs) must enable encryption for vMotion.
vMotion migrations in vSphere 6.0 and earlier transferred working memory and CPU state information in clear text over the vMotion network. As of vSphere 6.5, this transfer can be transparently encr...Rule Medium Severity -
Virtual machines (VMs) must enable logging.
The ESXi hypervisor maintains logs for each individual VM by default. These logs contain information including, but not limited to, power events, system failure information, tools status and activi...Rule Medium Severity -
Virtual machines (VMs) must remove unneeded USB devices.
Ensure no device is connected to a virtual machine if it is not required. For example, floppy, serial, and parallel ports are rarely used for virtual machines in a data center environment, and CD/D...Rule Medium Severity
Node 2
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