STIGQter: STIG Summary: Tri-Lab Operating System Stack (TOSS) 5 Security Technical Implementation Guide Version: 1 Release: 1 Benchmark Date: 26 Mar 2026:

TOSS 5 must disable network management of the chrony daemon.

DISA Rule

SV-282484r1201332_rule

Vulnerability Number

V-282484

Group Title

SRG-OS-000095-GPOS-00049

Rule Version

TOSS-05-000203

Severity

CAT III

CCI(s)

• CCI-000381 - Configure the system to provide only organization-defined mission essential capabilities.
• CCI-000382 - Configure the system to prohibit or restrict the use of organization-defined prohibited or restricted functions, system ports, protocols, software, and/or services.

Weight

10

Fix Recommendation

Configure TOSS 5 to 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 5 disables network management of the chrony daemon using the following command:

$ grep -w cmdport /etc/chrony.conf

cmdport 0

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

Vulnerability Number

V-282484

Documentable

False

Rule Version

TOSS-05-000203

Severity Override Guidance

Verify TOSS 5 disables network management of the chrony daemon using the following command:

$ grep -w cmdport /etc/chrony.conf

cmdport 0

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

Check Content Reference

M

Target Key

5738