VMware vSphere 7.0 vCenter Appliance Photon OS Security Technical Implementation Guide

The VMware vSphere 7.0 vCenter Appliance Photon OS Security Technical Implementation Guide (V1 R5) has 113 STIG checks. New to STIG checklists? Read What is a STIG checklist?, CKL vs CKLB, and STIG vs SCAP benchmark.

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Severity

Version

V1 · R5

CurrentPublished Wed Sep 30 2026 What changed in V1R5

The Photon operating system must configure sshd to disable environment processing.

VMware vSphere 7.0 vCenter Appliance Photon OS Security Technical Implementation Guide

Assessment Title

Rule Text

The Photon operating system must configure sshd to disable environment processing.

Description

Discussion Text

Enabling environment processing may enable users to bypass access restrictions in some configurations and must therefore be disabled.

New to STIG checklists? Read What is a STIG checklist? and CKL vs CKLB.

Objective

V-256548

Rule

SV-256548r1268251_rule

Severity

medium

Rule Version

PHTN-30-000079

Documentable

false

IA Controls

NIST SP 800-53

Rev 5

Assessment Procedure

Check Text

At the command line, run the following command:

#sshd -T|&grep -i PermitUserEnvironment

Expected result:

PermitUserEnvironment no

If the output does not match the expected result, this is a finding.

Implementation Procedure

Fix Text

Navigate to and open:

/etc/ssh/sshd_config

Ensure the "PermitUserEnvironment" line is uncommented and set to the following:

PermitUserEnvironment no

At the command line, run the following command:

# systemctl restart sshd.service

STIG check 71 of 113 in the VMware vSphere 7.0 vCenter Appliance Photon OS STIG checklist

← Previous · V-256547The Photon operating system must configure sshd to disallow Generic Security Service Application Program Interface (GSSAPI) authentication.Next · V-256549 →The Photon operating system must configure sshd to disable X11 forwarding.