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XCCDF
Red Hat Enterprise Linux 9 Security Technical Implementation Guide
SRG-OS-000480-GPOS-00227
RHEL 9 must use reverse path filtering on all IPv4 interfaces.
RHEL 9 must use reverse path filtering on all IPv4 interfaces.
An XCCDF Rule
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RHEL 9 must use reverse path filtering on all IPv4 interfaces.
Medium Severity
<VulnDiscussion>Enabling reverse path filtering drops packets with source addresses that should not have been able to be received on the interface on which they were received. It must not be used on systems that are routers for complicated networks, but is helpful for end hosts and routers serving small networks.</VulnDiscussion><FalsePositives></FalsePositives><FalseNegatives></FalseNegatives><Documentable>false</Documentable><Mitigations></Mitigations><SeverityOverrideGuidance></SeverityOverrideGuidance><PotentialImpacts></PotentialImpacts><ThirdPartyTools></ThirdPartyTools><MitigationControl></MitigationControl><Responsibility></Responsibility><IAControls></IAControls>