Cloud Linux AlmaLinux OS 9 Security Technical Implementation Guide

The Cloud Linux AlmaLinux OS 9 Security Technical Implementation Guide (V1 R8) has 439 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 · R8

CurrentPublished Wed Sep 30 2026

AlmaLinux OS 9 must disable remote management of the chrony daemon.

Cloud Linux AlmaLinux OS 9 Security Technical Implementation Guide

Assessment Title

Rule Text

AlmaLinux OS 9 must disable remote management of the chrony daemon.

Description

Discussion Text

Not exposing the management interface of the chrony daemon on the network reduces the attack surface.

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

Objective

V-269332

Rule

SV-269332r1050214_rule

Severity

medium

Rule Version

ALMA-09-028510

Documentable

false

IA Controls

NIST SP 800-53

Rev 5

Assessment Procedure

Check Text

Verify AlmaLinux OS 9 disables remote management of the chrony daemon with the following command:

$ chronyd -p | grep -w cmdport

cmdport 0

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

Implementation Procedure

Fix Text

Configure AlmaLinux OS 9 to disable remote management of the chrony daemon by adding/modifying the following line in the /etc/chrony.conf file:

cmdport 0

STIG check 223 of 439 in the Cloud Linux AlmaLinux OS 9 STIG checklist

← Previous · V-269331AlmaLinux OS 9 fapolicy module must be installed.Next · V-269333 →AlmaLinux OS 9 must prevent the chrony daemon from acting as a server.