STIGQter: STIG Summary: VMware vSphere 6.7 Photon OS Security Technical Implementation Guide Version: 1 Release: 1 Benchmark Date: 09 Mar 2021:

The Photon operating system must configure sshd to disallow compression of the encrypted session stream.

DISA Rule

SV-239161r675291_rule

Vulnerability Number

V-239161

Group Title

SRG-OS-000480-GPOS-00227

Rule Version

PHTN-67-000090

Severity

CAT II

CCI(s)

• CCI-000366 - The organization implements the security configuration settings.

Weight

10

Fix Recommendation

Open /etc/ssh/sshd_config with a text editor.

Ensure that the "Compression" line is uncommented and set to the following:

Compression no

At the command line, execute the following command:

# service sshd reload

Check Contents

At the command line, execute the following command:

# sshd -T|&grep -i Compression

Expected result:

Compression no

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

Vulnerability Number

V-239161

Documentable

False

Rule Version

PHTN-67-000090

Severity Override Guidance

At the command line, execute the following command:

# sshd -T|&grep -i Compression

Expected result:

Compression no

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

Check Content Reference

M

Target Key

5323

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