STIGQter: STIG Summary: Red Hat Enterprise Linux 10 Security Technical Implementation Guide Version: 1 Release: 2 Benchmark Date: 01 Jul 2026:

RHEL 10 must not have unauthorized IP tunnels configured.

DISA Rule

SV-281339r1167167_rule

Vulnerability Number

V-281339

Group Title

SRG-OS-000080-GPOS-00048

Rule Version

RHEL-10-800070

Severity

CAT II

CCI(s)

• CCI-000213 - Enforce approved authorizations for logical access to information and system resources in accordance with applicable access control policies.

Weight

10

Fix Recommendation

Configure RHEL 10 to not have unauthorized IP tunnels configured.

Remove all unapproved tunnels from the system, or document them with the ISSO.

Check Contents

Verify RHEL 10 does not have unauthorized IP tunnels configured.

Determine if the IPsec service is active with the following command:

$ systemctl is-active ipsec
Inactive

If the IPsec service is active, check for configured IPsec connections ("conn"), with the following command:

$ sudo grep -rni conn /etc/ipsec.conf /etc/ipsec.d/

Verify any returned results are documented with the ISSO.

If the IPsec tunnels are active and not approved, this is a finding.

Vulnerability Number

V-281339

Documentable

False

Rule Version

RHEL-10-800070

Severity Override Guidance

Verify RHEL 10 does not have unauthorized IP tunnels configured.

Determine if the IPsec service is active with the following command:

$ systemctl is-active ipsec
Inactive

If the IPsec service is active, check for configured IPsec connections ("conn"), with the following command:

$ sudo grep -rni conn /etc/ipsec.conf /etc/ipsec.d/

Verify any returned results are documented with the ISSO.

If the IPsec tunnels are active and not approved, this is a finding.

Check Content Reference

M

Target Key

5733