Red Hat Enterprise Linux 10 Security Technical Implementation Guide

The Red Hat Enterprise Linux 10 Security Technical Implementation Guide (V1 R3) has 435 STIG checks. New to STIG checklists? Read What is a STIG checklist?, CKL vs CKLB, and STIG vs SCAP benchmark.

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Severity

Version

V1 · R3

CurrentPublished Wed Sep 30 2026

RHEL 10 must disable network management of the chrony daemon.

Red Hat Enterprise Linux 10 Security Technical Implementation Guide

Assessment Title

Rule Text

RHEL 10 must disable network management of the chrony daemon.

Description

Discussion Text

Not exposing the management interface of the chrony daemon on the network diminishes the attack space.

Satisfies: SRG-OS-000096-GPOS-00050, SRG-OS-000095-GPOS-00049

New to STIG checklists? Read What is a STIG checklist? and CKL vs CKLB.

Objective

V-280961

Rule

SV-280961r1165238_rule

Severity

medium

Rule Version

RHEL-10-200543

Documentable

false

IA Controls

NIST SP 800-53

Rev 5

Assessment Procedure

Check Text

Verify RHEL 10 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 is missing, this is a finding.

Implementation Procedure

Fix Text

Configure RHEL 10 to disable network management of the chrony daemon by adding/modifying the following line in the "/etc/chrony.conf" file:

cmdport 0

Restart the chronyd service with the following command for the changes to take effect:

$ sudo systemctl restart chronyd

STIG check 31 of 435 in the Red Hat Enterprise Linux 10 STIG checklist

← Previous · V-280960RHEL 10 must disable the chrony daemon from acting as a server.Next · V-280962 →RHEL 10 must have the USBGuard package installed.