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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-215263r991589_rule
Severity
Medium
References
Updated



Remediation - Manual Procedure

Disable IPv4 forwarding on the system by running command:
# no -p -o ipforwarding=0