VMware vSphere 6.7 ESXi Security Technical Implementation Guide

The VMware vSphere 6.7 ESXi Security Technical Implementation Guide (V1 R3) has 74 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 · R3

CurrentPublished Wed Jul 26 2023

The ESXi host SSH daemon must set a timeout interval on idle sessions.

VMware vSphere 6.7 ESXi Security Technical Implementation Guide

Assessment Title

Rule Text

The ESXi host SSH daemon must set a timeout interval on idle sessions.

Description

Discussion Text

Automatically logging out idle users guards against compromises via hijacked administrative sessions.

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

Objective

V-239282

Rule

SV-239282r674775_rule

Severity

low

Rule Version

ESXI-67-000027

Documentable

false

IA Controls

NIST SP 800-53

Rev 5

Assessment Procedure

Check Text

From an SSH session connected to the ESXi host, or from the ESXi shell, run the following command:

# grep -i "^ClientAliveInterval" /etc/ssh/sshd_config

If there is no output or the output is not exactly "ClientAliveInterval 200", this is a finding.

Implementation Procedure

Fix Text

From an SSH session connected to the ESXi host, or from the ESXi shell, add or correct the following line in "/etc/ssh/sshd_config":

ClientAliveInterval 200

STIG check 25 of 74 in the VMware vSphere 6.7 ESXi STIG checklist

← Previous · V-239281The ESXi host SSH daemon must set a timeout count on idle sessions.Next · V-239283 →The ESXi host SSH daemon must limit connections to a single session.