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XCCDF
VMware NSX-T Tier-0 Gateway RTR Security Technical Implementation Guide
SRG-NET-000205-RTR-000014
SRG-NET-000205-RTR-000014
An XCCDF Group - A logical subset of the XCCDF Benchmark
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SRG-NET-000205-RTR-000014
1 Rule
<GroupDescription></GroupDescription>
Unicast Reverse Path Forwarding (uRPF) must be enabled on the NSX-T Tier-0 Gateway.
High Severity
<VulnDiscussion>A compromised host in an enclave can be used by a malicious platform to launch cyber attacks on third parties. This is a common practice in "botnets", which are a collection of compromised computers using malware to attack other computers or networks. Distributed denial-of-service (DDoS) attacks frequently leverage IP source address spoofing to send packets to multiple hosts that in turn will then send return traffic to the hosts with the IP addresses that were forged. This can generate significant amounts of traffic. Therefore, protection measures to counteract IP source address spoofing must be taken. When uRPF is enabled in strict mode, the packet must be received on the interface that the device would use to forward the return packet; thereby mitigating IP source address spoofing.</VulnDiscussion><FalsePositives></FalsePositives><FalseNegatives></FalseNegatives><Documentable>false</Documentable><Mitigations></Mitigations><SeverityOverrideGuidance></SeverityOverrideGuidance><PotentialImpacts></PotentialImpacts><ThirdPartyTools></ThirdPartyTools><MitigationControl></MitigationControl><Responsibility></Responsibility><IAControls></IAControls>