VMware vSphere 6.5 ESXi Security Technical Implementation Guide

The VMware vSphere 6.5 ESXi Security Technical Implementation Guide (V2 R4) 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

V2 · R4

CurrentPublished Wed Jul 26 2023

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

VMware vSphere 6.5 ESXi Security Technical Implementation Guide

Assessment Title

Rule Text

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

Description

Discussion Text

Causing idle users to be automatically logged out guards against compromises one system leading trivially to compromises on another.

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

Objective

V-207628

Rule

SV-207628r388482_rule

Severity

low

Rule Version

ESXI-65-000027

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 27 of 74 in the VMware vSphere 6.5 ESXi STIG checklist

← Previous · V-207627The ESXi host SSH daemon must set a timeout count on idle sessions.Next · V-207629 →The ESXi host SSH daemon must limit connections to a single session.