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

The ESXi host must configure the firewall to block network traffic by default.

DISA Rule

SV-239311r674862_rule

Vulnerability Number

V-239311

Group Title

SRG-OS-000480-VMM-002000

Rule Version

ESXI-67-000057

Severity

CAT II

CCI(s)

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

Weight

10

Fix Recommendation

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

Get-VMHostFirewallDefaultPolicy | Set-VMHostFirewallDefaultPolicy -AllowIncoming $false -AllowOutgoing $false

Check Contents

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

Get-VMHostFirewallDefaultPolicy

If the Incoming or Outgoing policies are "True", this is a finding.

Vulnerability Number

V-239311

Documentable

False

Rule Version

ESXI-67-000057

Severity Override Guidance

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

Get-VMHostFirewallDefaultPolicy

If the Incoming or Outgoing policies are "True", this is a finding.

Check Content Reference

M

Target Key

5326

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