IP forwarding for IPv4 must not be enabled on AIX unless the system is a router.
An XCCDF Rule
Description
<VulnDiscussion>IP forwarding permits the kernel to forward packets from one network interface to another. The ability to forward packets between two networks is only appropriate for systems acting as routers.</VulnDiscussion><FalsePositives></FalsePositives><FalseNegatives></FalseNegatives><Documentable>false</Documentable><Mitigations></Mitigations><SeverityOverrideGuidance></SeverityOverrideGuidance><PotentialImpacts></PotentialImpacts><ThirdPartyTools></ThirdPartyTools><MitigationControl></MitigationControl><Responsibility></Responsibility><IAControls></IAControls>
- ID
- SV-215263r508663_rule
- Severity
- Medium
- References
- Updated
Remediation - Manual Procedure
Disable IPv4 forwarding on the system by running command:
# no -p -o ipforwarding=0