STIGQter: STIG Summary: IBM AIX 7.x Security Technical Implementation Guide Version: 2 Release: 2 Benchmark Date: 23 Apr 2021:

The AIX SSH daemon must not allow compression.

DISA Rule

SV-215296r508663_rule

Vulnerability Number

V-215296

Group Title

SRG-OS-000480-GPOS-00227

Rule Version

AIX7-00-002113

Severity

CAT II

CCI(s)

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

Weight

10

Fix Recommendation

Edit the "/etc/ssh/sshd_config" file and add (or modify) the following line:
Compression no

Restart the SSH daemon:
# stopsrc -s sshd
# startsrc -s sshd

Check Contents

Check the SSH daemon configuration for the Compression setting by running:
# grep -i Compression /etc/ssh/sshd_config | grep -v '^#'
Compression no

If the setting is not present, or it is not set to "no", this is a finding.

Vulnerability Number

V-215296

Documentable

False

Rule Version

AIX7-00-002113

Severity Override Guidance

Check the SSH daemon configuration for the Compression setting by running:
# grep -i Compression /etc/ssh/sshd_config | grep -v '^#'
Compression no

If the setting is not present, or it is not set to "no", this is a finding.

Check Content Reference

M

Target Key

4012

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