STIGQter: STIG Summary: VMware vSphere 7.0 vCenter Security Technical Implementation Guide Version: 1 Release: 3 Benchmark Date: 24 Jan 2024:

The vCenter Server must disable the distributed virtual switch health check.

DISA Rule

SV-256347r885652_rule

Vulnerability Number

V-256347

Group Title

SRG-APP-000516

Rule Version

VCSA-70-000267

Severity

CAT III

CCI(s)

• CCI-000366 - Implement the security configuration settings.

Weight

10

Fix Recommendation

From the vSphere Client, go to "Networking".

Select a distributed switch >> Configure >> Settings >> Health Check.

Click "Edit".

Disable the "VLAN and MTU" and "Teaming and failover" checks.

Click "OK".

or

From a PowerCLI command prompt while connected to the vCenter server, run the following command:

Get-View -ViewType DistributedVirtualSwitch | ?{($_.config.HealthCheckConfig | ?{$_.enable -notmatch "False"})}| %{$_.UpdateDVSHealthCheckConfig(@((New-Object Vmware.Vim.VMwareDVSVlanMtuHealthCheckConfig -property @{enable=0}),(New-Object Vmware.Vim.VMwareDVSTeamingHealthCheckConfig -property @{enable=0})))}

Check Contents

If distributed switches are not used, this is not applicable.

From the vSphere Client, go to "Networking".

Select a distributed switch >> Configure >> Settings >> Health Check.

View the health check pane and verify the "VLAN and MTU" and "Teaming and failover" checks are "Disabled".

or

From a PowerCLI command prompt while connected to the vCenter server, run the following commands:

$vds = Get-VDSwitch
$vds.ExtensionData.Config.HealthCheckConfig

If the health check feature is enabled on distributed switches and is not on temporarily for troubleshooting purposes, this is a finding.

Vulnerability Number

V-256347

Documentable

False

Rule Version

VCSA-70-000267

Severity Override Guidance

If distributed switches are not used, this is not applicable.

From the vSphere Client, go to "Networking".

Select a distributed switch >> Configure >> Settings >> Health Check.

View the health check pane and verify the "VLAN and MTU" and "Teaming and failover" checks are "Disabled".

or

From a PowerCLI command prompt while connected to the vCenter server, run the following commands:

$vds = Get-VDSwitch
$vds.ExtensionData.Config.HealthCheckConfig

If the health check feature is enabled on distributed switches and is not on temporarily for troubleshooting purposes, this is a finding.

Check Content Reference

M

Target Key

5517