STIGQter: STIG Summary: VMware vSphere 6.7 vCenter Security Technical Implementation Guide Version: 1 Release: 1 Benchmark Date: 09 Mar 2021:

The vCenter Server must set the distributed port group Forged Transmits policy to reject.

DISA Rule

SV-243082r719489_rule

Vulnerability Number

V-243082

Group Title

SRG-APP-000516

Rule Version

VCTR-67-000013

Severity

CAT II

CCI(s)

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

Weight

10

Fix Recommendation

From the vSphere Client, go to Networking >> select a distributed switch >> select a port group >> Configure >> Settings >> Policies >> Edit >> Security.

Set "Forged Transmits" to reject. Click "OK".

or

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

Get-VDSwitch | Get-VDSecurityPolicy | Set-VDSecurityPolicy -ForgedTransmits $false
Get-VDPortgroup | ?{$_.IsUplink -eq $false} | Get-VDSecurityPolicy | Set-VDSecurityPolicy -ForgedTransmits $false

Check Contents

From the vSphere Client, go to Networking >> select a distributed switch >> select a port group >> Configure >> Settings >> Policies.

Verify "Forged Transmits" is set to reject.

or

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

Get-VDSwitch | Get-VDSecurityPolicy
Get-VDPortgroup | ?{$_.IsUplink -eq $false} | Get-VDSecurityPolicy

If the "Forged Transmits" policy is set to accept for a non-uplink port, this is a finding.

Vulnerability Number

V-243082

Documentable

False

Rule Version

VCTR-67-000013

Severity Override Guidance

From the vSphere Client, go to Networking >> select a distributed switch >> select a port group >> Configure >> Settings >> Policies.

Verify "Forged Transmits" is set to reject.

or

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

Get-VDSwitch | Get-VDSecurityPolicy
Get-VDPortgroup | ?{$_.IsUplink -eq $false} | Get-VDSecurityPolicy

If the "Forged Transmits" policy is set to accept for a non-uplink port, this is a finding.

Check Content Reference

M

Target Key

5399

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