The VMM must implement replay-resistant authentication mechanisms for network access to privileged accounts by using Active Directory for local user authentication.

Overview

Finding ID	Version	Rule ID	IA Controls	Severity
V-63893	ESXI-06-200037	SV-78383r1_rule		Low

Description
Join ESXi hosts to an Active Directory (AD) domain to eliminate the need to create and maintain multiple local user accounts. Using AD for user authentication simplifies the ESXi host configuration, ensures password complexity and reuse policies are enforced and reduces the risk of security breaches and unauthorized access. Note: If the AD group "ESX Admins" (default) exists then all users and groups that are assigned as members to this group will have full administrative access to all ESXi hosts the domain.

Description

Join ESXi hosts to an Active Directory (AD) domain to eliminate the need to create and maintain multiple local user accounts. Using AD for user authentication simplifies the ESXi host configuration, ensures password complexity and reuse policies are enforced and reduces the risk of security breaches and unauthorized access. Note: If the AD group "ESX Admins" (default) exists then all users and groups that are assigned as members to this group will have full administrative access to all ESXi hosts the domain.

STIG	Date
VMware vSphere ESXi 6.0 Security Technical Implementation Guide	2017-07-11

Details

Check Text ( C-64643r1_chk )
From the vSphere Client select the ESXi Host and go to Configuration >> Authentication Services. Verify the Directory Services Type is set to Active Directory. or From a PowerCLI command prompt while connected to the ESXi host run the following command: Get-VMHost \| Get-VMHostAuthentication For systems that do not use Active Directory and have no local user accounts, other than root and/or vpxuser, this is not applicable. For systems that do not use Active Directory and do have local user accounts, other than root and/or vpxuser, this is a finding. If the Directory Services Type is not set to "Active Directory", this is a finding.

Check Text ( C-64643r1_chk )

From the vSphere Client select the ESXi Host and go to Configuration >> Authentication Services. Verify the Directory Services Type is set to Active Directory.

or

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

Get-VMHost | Get-VMHostAuthentication

For systems that do not use Active Directory and have no local user accounts, other than root and/or vpxuser, this is not applicable.

For systems that do not use Active Directory and do have local user accounts, other than root and/or vpxuser, this is a finding.

If the Directory Services Type is not set to "Active Directory", this is a finding.

Fix Text (F-69821r1_fix)
From the vSphere Client select the ESXi Host and go to Configuration >> Authentication Services. Click Properties and change the "Directory Service Type" to Active Directory, enter the domain to join, check "Use vSphere Authentication Proxy" and enter the proxy server address then click "Join Domain". or From a PowerCLI command prompt while connected to the ESXi host run the following command: Get-VMHost \| Get-VMHostAuthentication \| Set-VMHostAuthentication -JoinDomain -Domain "domain name" -User "username" -Password "password"

Fix Text (F-69821r1_fix)

From the vSphere Client select the ESXi Host and go to Configuration >> Authentication Services. Click Properties and change the "Directory Service Type" to Active Directory, enter the domain to join, check "Use vSphere Authentication Proxy" and enter the proxy server address then click "Join Domain".

or

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

Get-VMHost | Get-VMHostAuthentication | Set-VMHostAuthentication -JoinDomain -Domain "domain name" -User "username" -Password "password"