STIGQter STIGQter: STIG Summary: VMware vSphere 8.0 ESXi Security Technical Implementation Guide Version: 1 Release: 1 Benchmark Date: 31 Oct 2023:

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

DISA Rule

SV-258769r933368_rule

Vulnerability Number

V-258769

Group Title

SRG-OS-000480-VMM-002000

Rule Version

ESXI-80-000214

Severity

CAT II

CCI(s)

Weight

10

Fix Recommendation

From an ESXi shell, run the following command:

# esxcli network firewall set --default-action=false

or

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 an ESXi shell, run the following command:

# esxcli network firewall get

If the "Default Action" does not equal "DROP", this is a finding.
If "Enabled" does not equal "true", this is a finding.

or

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-258769

Documentable

False

Rule Version

ESXI-80-000214

Severity Override Guidance

From an ESXi shell, run the following command:

# esxcli network firewall get

If the "Default Action" does not equal "DROP", this is a finding.
If "Enabled" does not equal "true", this is a finding.

or

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

5562