Red Hat Enterprise Linux 9 Security Technical Implementation Guide

The Red Hat Enterprise Linux 9 Security Technical Implementation Guide (V2 R10) has 445 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

V2 · R10

CurrentPublished Wed Sep 30 2026

RHEL 9 libreswan package must be installed.

Red Hat Enterprise Linux 9 Security Technical Implementation Guide

Assessment Title

Rule Text

RHEL 9 libreswan package must be installed.

Description

Discussion Text

Providing the ability for remote users or systems to initiate a secure VPN connection protects information when it is transmitted over a wide area network.

Satisfies: SRG-OS-000480-GPOS-00227, SRG-OS-000120-GPOS-00061

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

Objective

V-257954

Rule

SV-257954r1268251_rule

Severity

medium

Rule Version

RHEL-09-252065

Documentable

false

IA Controls

NIST SP 800-53

Rev 5

Assessment Procedure

Check Text

Note: If there is no operational need for Libreswan to be installed, this rule is not applicable.

Verify that RHEL 9 libreswan service package is installed.

Check that the libreswan service package is installed with the following command:

$ dnf list --installed libreswan

Example output:

libreswan.x86_64          4.6-3.el9

If the "libreswan" package is not installed, this is a finding.

Implementation Procedure

Fix Text

Install the libreswan service (if it is not already installed) with the following command:

$ sudo dnf install libreswan

STIG check 171 of 445 in the Red Hat Enterprise Linux 9 STIG checklist

← Previous · V-257953RHEL 9 must forward mail from postmaster to the root account using a postfix alias.Next · V-257955 →There must be no shosts.equiv files on RHEL 9.