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XCCDF
Arista MLS EOS 4.2x Router Security Technical Implementation Guide
SRG-NET-000362-RTR-000114
The Arista router must be configured to have Internet Control Message Protocol (ICMP) mask replies disabled on all external interfaces.
The Arista router must be configured to have Internet Control Message Protocol (ICMP) mask replies disabled on all external interfaces.
An XCCDF Rule
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The Arista router must be configured to have Internet Control Message Protocol (ICMP) mask replies 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. Mask Reply 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>