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XCCDF
VMware vSphere 7.0 vCenter Appliance Photon OS Security Technical Implementation Guide
SRG-OS-000480-GPOS-00227
The Photon operating system must send Transmission Control Protocol (TCP) timestamps.
The Photon operating system must send Transmission Control Protocol (TCP) timestamps.
An XCCDF Rule
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The Photon operating system must send Transmission Control Protocol (TCP) timestamps.
Medium Severity
<VulnDiscussion>TCP timestamps are used to provide protection against wrapped sequence numbers. It is possible to calculate system uptime (and boot time) by analyzing TCP timestamps. These calculated uptimes can help a bad actor in determining likely patch levels for vulnerabilities.</VulnDiscussion><FalsePositives></FalsePositives><FalseNegatives></FalseNegatives><Documentable>false</Documentable><Mitigations></Mitigations><SeverityOverrideGuidance></SeverityOverrideGuidance><PotentialImpacts></PotentialImpacts><ThirdPartyTools></ThirdPartyTools><MitigationControl></MitigationControl><Responsibility></Responsibility><IAControls></IAControls>