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RHEL-10-800070 RHEL 10 must not have unauthorized IP tunnels configured.

DISA STIG library V1R3
All changes in this version
first version loaded CAT II

Maps to AC-3 via CCI-000213

Title

RHEL 10 must not have unauthorized IP tunnels configured.

Control

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.

Discussion

IP tunneling mechanisms can be used to bypass network filtering. If tunneling is required, it must be documented with the information system security officer (ISSO).

Related controls

CCI-000213

Fix

Configure RHEL 10 to not have unauthorized IP tunnels configured. Remove all unapproved tunnels from the system, or document them with the ISSO.