STIGQter: STIG Summary: Tri-Lab Operating System Stack (TOSS) 4 Security Technical Implementation Guide Version: 2 Release: 6 Benchmark Date: 01 Jul 2026:

TOSS must disable network management of the chrony daemon.

DISA Rule

SV-253073r958478_rule

Vulnerability Number

V-253073

Group Title

SRG-OS-000095-GPOS-00049

Rule Version

TOSS-04-040180

Severity

CAT II

CCI(s)

• CCI-000381 - Configure the system to provide only organization-defined mission essential capabilities.

Weight

10

Fix Recommendation

Configure the operating system disable network management of the chrony daemon by adding/modifying the following line in the /etc/chrony.conf file.

cmdport 0

Check Contents

Verify TOSS disables network management of the chrony daemon with the following command:

$ sudo grep -w 'cmdport' /etc/chrony.conf

cmdport 0

If the "cmdport" option is not set to "0", is commented out or missing, this is a finding.

Vulnerability Number

V-253073

Documentable

False

Rule Version

TOSS-04-040180

Severity Override Guidance

Verify TOSS disables network management of the chrony daemon with the following command:

$ sudo grep -w 'cmdport' /etc/chrony.conf

cmdport 0

If the "cmdport" option is not set to "0", is commented out or missing, this is a finding.

Check Content Reference

M

Target Key

5469