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XCCDF
Fortinet FortiGate Firewall Security Technical Implementation Guide
SRG-NET-000364-FW-000042
SRG-NET-000364-FW-000042
An XCCDF Group - A logical subset of the XCCDF Benchmark
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SRG-NET-000364-FW-000042
1 Rule
<GroupDescription></GroupDescription>
The FortiGate firewall must be configured to restrict it from accepting outbound packets that contain an illegitimate address in the source address field via an egress filter or by enabling Unicast Reverse Path Forwarding (uRPF).
Medium Severity
<VulnDiscussion>A compromised host in an enclave can be used by a malicious platform to launch cyberattacks 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. Denial-of-Service (DoS) attacks frequently leverage IP source address spoofing to send packets to multiple hosts that, in turn, send return traffic to the hosts with the forged IP addresses. 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>