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 use FIPS 140-3-approved cryptographic algorithms for IP tunnels.

Red Hat Enterprise Linux 10 Security Technical Implementation Guide

Assessment Title

Rule Text

RHEL 10 must use FIPS 140-3-approved cryptographic algorithms for IP tunnels.

Description

Discussion Text

Overriding the systemwide cryptographic policy makes the behavior of the Libreswan service violate expectations and makes system configuration more fragmented.

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

Objective

V-281014

Rule

SV-281014r1268222_rule

Severity

high

Rule Version

RHEL-10-300070

Documentable

false

IA Controls

NIST SP 800-53

Rev 5

Assessment Procedure

Check Text

Note: If the IPsec service is not installed, this requirement is not applicable.

Verify RHEL 10 sets the IPsec service to use the systemwide cryptographic policy with the following command:

$ sudo grep include /etc/ipsec.conf /etc/ipsec.d/*.conf
/etc/ipsec.conf:include /etc/crypto-policies/back-ends/libreswan.config

If the ipsec configuration file does not contain "include /etc/crypto-policies/back-ends/libreswan.config", this is a finding.

Implementation Procedure

Fix Text

Configure RHEL 10 so that Libreswan uses the systemwide cryptographic policy.

Add the following line to "/etc/ipsec.conf":

include /etc/crypto-policies/back-ends/libreswan.config

STIG check 83 of 435 in the Red Hat Enterprise Linux 10 STIG checklist

← Previous · V-281013RHEL 10 must be configured so that Secure Shell (SSH) servers use only DoW-approved Message Authentication Codes (MACs) employing FIPS 140-3-validated cryptographic hash algorithms to protect the confidentiality of SSH server connections.Next · V-281015 →RHEL 10 must implement DoW-approved encryption in the bind package.