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XCCDF
Cisco IOS Switch RTR Security Technical Implementation Guide
SRG-NET-000362-RTR-000113
SRG-NET-000362-RTR-000113
An XCCDF Group - A logical subset of the XCCDF Benchmark
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SRG-NET-000362-RTR-000113
1 Rule
<GroupDescription></GroupDescription>
The Cisco switch must be configured to have Internet Control Message Protocol (ICMP) unreachable messages disabled on all external interfaces.
Medium Severity
<VulnDiscussion>The ICMP supports IP traffic by relaying information about paths, routes, and network conditions. Switches automatically send ICMP messages under a wide variety of conditions. Host unreachable 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>