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XCCDF
Router Security Requirements Guide
SRG-NET-000362
The router must be configured to have Internet Control Message Protocol (ICMP) redirects disabled on all external interfaces.
The router must be configured to have Internet Control Message Protocol (ICMP) redirects disabled on all external interfaces.
An XCCDF Rule
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The router must be configured to have Internet Control Message Protocol (ICMP) redirects disabled on all external interfaces.
Medium Severity
<VulnDiscussion>The ICMP supports IP traffic by relaying information about paths, routes, and network conditions. Routers automatically send ICMP messages under a wide variety of conditions. Redirect ICMP messages are commonly used by attackers for network mapping and diagnosis.</VulnDiscussion><FalsePositives></FalsePositives><FalseNegatives></FalseNegatives><Documentable>false</Documentable><Mitigations></Mitigations><SeverityOverrideGuidance></SeverityOverrideGuidance><PotentialImpacts></PotentialImpacts><ThirdPartyTools></ThirdPartyTools><MitigationControl></MitigationControl><Responsibility></Responsibility><IAControls></IAControls>