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XCCDF
VMware vSphere 8.0 vCenter Appliance Photon OS 4.0 Security Technical Implementation Guide
SRG-OS-000142-GPOS-00071
SRG-OS-000142-GPOS-00071
An XCCDF Group - A logical subset of the XCCDF Benchmark
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SRG-OS-000142-GPOS-00071
1 Rule
<GroupDescription></GroupDescription>
The Photon operating system must be configured to use TCP syncookies.
Medium Severity
<VulnDiscussion>A TCP SYN flood attack can cause a Denial of Service (DOS) by filling a system's TCP connection table with connections in the SYN_RCVD state. Syncookies can be used to track a connection when a subsequent ACK is received, verifying the initiator is attempting a valid connection and is not a flood source. This feature is activated when a flood condition is detected and enables the system to continue servicing valid connection requests. Satisfies: SRG-OS-000142-GPOS-00071, SRG-OS-000420-GPOS-00186</VulnDiscussion><FalsePositives></FalsePositives><FalseNegatives></FalseNegatives><Documentable>false</Documentable><Mitigations></Mitigations><SeverityOverrideGuidance></SeverityOverrideGuidance><PotentialImpacts></PotentialImpacts><ThirdPartyTools></ThirdPartyTools><MitigationControl></MitigationControl><Responsibility></Responsibility><IAControls></IAControls>