STIGQter: STIG Summary: VMware vSphere 6.5 ESXi Security Technical Implementation Guide Version: 2 Release: 1 Benchmark Date: 22 Jan 2021:

The virtual switch Forged Transmits policy must be set to reject on the ESXi host.

DISA Rule

SV-207658r388482_rule

Vulnerability Number

V-207658

Group Title

SRG-OS-000480-VMM-002000

Rule Version

ESXI-65-000059

Severity

CAT II

CCI(s)

• CCI-000366 - The organization implements the security configuration settings.

Weight

10

Fix Recommendation

From the vSphere Web Client go to Configure >> Networking >> Virtual Switches. For each virtual switch and port group click Edit settings and change "Forged Transmits" to reject.

or

From a PowerCLI command prompt while connected to the ESXi host run the following commands:

Get-VirtualSwitch | Get-SecurityPolicy | Set-SecurityPolicy -ForgedTransmits $false
Get-VirtualPortGroup | Get-SecurityPolicy | Set-SecurityPolicy -ForgedTransmitsInherited $true

Check Contents

From the vSphere Web Client go to Configure >> Networking >> Virtual Switches. View the properties on each virtual switch and port group and verify "Forged Transmits" is set to reject.

or

From a PowerCLI command prompt while connected to the ESXi host run the following commands:

Get-VirtualSwitch | Get-SecurityPolicy
Get-VirtualPortGroup | Get-SecurityPolicy

If the "Forged Transmits" policy is set to accept, this is a finding.

Vulnerability Number

V-207658

Documentable

False

Rule Version

ESXI-65-000059

Severity Override Guidance

From the vSphere Web Client go to Configure >> Networking >> Virtual Switches. View the properties on each virtual switch and port group and verify "Forged Transmits" is set to reject.

or

From a PowerCLI command prompt while connected to the ESXi host run the following commands:

Get-VirtualSwitch | Get-SecurityPolicy
Get-VirtualPortGroup | Get-SecurityPolicy

If the "Forged Transmits" policy is set to accept, this is a finding.

Check Content Reference

M

Target Key

2925

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