STIGQter STIGQter: STIG Summary: VMware vSphere 6.5 ESXi Security Technical Implementation Guide Version: 2 Release: 1 Benchmark Date: 22 Jan 2021:

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

DISA Rule

SV-207627r388482_rule

Vulnerability Number

V-207627

Group Title

SRG-OS-000480-VMM-002000

Rule Version

ESXI-65-000026

Severity

CAT III

CCI(s)

Weight

10

Fix Recommendation

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":

ClientAliveCountMax 3

Check Contents

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

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

If there is no output or the output is not exactly "ClientAliveCountMax 3", this is a finding.

Vulnerability Number

V-207627

Documentable

False

Rule Version

ESXI-65-000026

Severity Override Guidance

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

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

If there is no output or the output is not exactly "ClientAliveCountMax 3", this is a finding.

Check Content Reference

M

Target Key

2925

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