VMware vSphere 8.0 vCenter Security Technical Implementation Guide
Rules, Groups, and Values defined within the XCCDF Benchmark
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SRG-APP-000516
<GroupDescription></GroupDescription>Group -
The vCenter Server must set the distributed port group Media Access Control (MAC) Address Change policy to "Reject".
<VulnDiscussion>If the virtual machine operating system changes the MAC address, it can send frames with an impersonated source MAC address a...Rule Medium Severity -
SRG-APP-000516
<GroupDescription></GroupDescription>Group -
The vCenter Server must set the distributed port group Promiscuous Mode policy to "Reject".
<VulnDiscussion>When promiscuous mode is enabled for a virtual switch, all virtual machines connected to the port group have the potential of...Rule Medium Severity -
SRG-APP-000516
<GroupDescription></GroupDescription>Group -
The vCenter Server must only send NetFlow traffic to authorized collectors.
<VulnDiscussion>The distributed virtual switch can export NetFlow information about traffic crossing the switch. NetFlow exports are not encr...Rule Medium Severity -
SRG-APP-000516
<GroupDescription></GroupDescription>Group -
The vCenter Server must configure all port groups to a value other than that of the native virtual local area network (VLAN).
<VulnDiscussion>ESXi does not use the concept of native VLAN. Frames with VLAN specified in the port group will have a tag, but frames with V...Rule Medium Severity -
SRG-APP-000516
<GroupDescription></GroupDescription>Group -
The vCenter Server must not configure VLAN Trunking unless Virtual Guest Tagging (VGT) is required and authorized.
<VulnDiscussion>When a port group is set to VLAN Trunking, the vSwitch passes all network frames in the specified range to the attached virtu...Rule Medium Severity -
SRG-APP-000516
<GroupDescription></GroupDescription>Group -
The vCenter Server must not configure all port groups to virtual local area network (VLAN) values reserved by upstream physical switches.
<VulnDiscussion>Certain physical switches reserve certain VLAN IDs for internal purposes and often disallow traffic configured to these value...Rule Medium Severity -
SRG-APP-000516
<GroupDescription></GroupDescription>Group -
The vCenter Server must configure the "vpxuser" auto-password to be changed every 30 days.
<VulnDiscussion>By default, vCenter will change the "vpxuser" password automatically every 30 days. Ensure this setting meets site policies. ...Rule Medium Severity -
SRG-APP-000516
<GroupDescription></GroupDescription>Group -
The vCenter Server must configure the "vpxuser" password to meet length policy.
<VulnDiscussion>The "vpxuser" password default length is 32 characters. Ensure this setting meets site policies; if not, configure to meet pa...Rule Medium Severity -
SRG-APP-000516
<GroupDescription></GroupDescription>Group -
The vCenter Server must configure the vSAN Datastore name to a unique name.
<VulnDiscussion>A vSAN Datastore name by default is "vsanDatastore". If more than one vSAN cluster is present in vCenter, both datastores wil...Rule Medium Severity -
The vCenter Server must be isolated from the public internet but must still allow for patch notification and delivery.
<VulnDiscussion>vCenter and the embedded Lifecycle Manager system must never have a direct route to the internet. Despite this, updates and p...Rule Low Severity -
SRG-APP-000516
<GroupDescription></GroupDescription>Group
Node 2
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