AIX must be configured with a default gateway for IPv4 if the system uses IPv4, unless the system is a router.
An XCCDF Rule
Description
<VulnDiscussion>If a system has no default gateway defined, the system is at increased risk of man-in-the-middle, monitoring, and Denial of Service attacks.</VulnDiscussion><FalsePositives></FalsePositives><FalseNegatives></FalseNegatives><Documentable>false</Documentable><Mitigations></Mitigations><SeverityOverrideGuidance></SeverityOverrideGuidance><PotentialImpacts></PotentialImpacts><ThirdPartyTools></ThirdPartyTools><MitigationControl></MitigationControl><Responsibility></Responsibility><IAControls></IAControls>
- ID
- SV-215262r991589_rule
- Severity
- Medium
- References
- Updated
Remediation - Manual Procedure
Set a default gateway for IPv4 using:
# route add 0 <ip address of gateway>