RHEL 9 must not have unauthorized IP tunnels configured.
An XCCDF Rule
Description
<VulnDiscussion>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).</VulnDiscussion><FalsePositives></FalsePositives><FalseNegatives></FalseNegatives><Documentable>false</Documentable><Mitigations></Mitigations><SeverityOverrideGuidance></SeverityOverrideGuidance><PotentialImpacts></PotentialImpacts><ThirdPartyTools></ThirdPartyTools><MitigationControl></MitigationControl><Responsibility></Responsibility><IAControls></IAControls>
- ID
- SV-257950r991589_rule
- Severity
- Medium
- References
- Updated
Remediation - Manual Procedure
Remove all unapproved tunnels from the system, or document them with the ISSO.