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XCCDF
Oracle Linux 8 Security Technical Implementation Guide
SRG-OS-000480-GPOS-00227
For OL 8 systems using Domain Name Servers (DNS) resolution, at least two name servers must be configured.
For OL 8 systems using Domain Name Servers (DNS) resolution, at least two name servers must be configured.
An XCCDF Rule
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For OL 8 systems using Domain Name Servers (DNS) resolution, at least two name servers must be configured.
Medium Severity
<VulnDiscussion>To provide availability for name resolution services, multiple redundant name servers are mandated. A failure in name resolution could lead to the failure of security functions requiring name resolution, which may include time synchronization, centralized authentication, and remote system logging.</VulnDiscussion><FalsePositives></FalsePositives><FalseNegatives></FalseNegatives><Documentable>false</Documentable><Mitigations></Mitigations><SeverityOverrideGuidance></SeverityOverrideGuidance><PotentialImpacts></PotentialImpacts><ThirdPartyTools></ThirdPartyTools><MitigationControl></MitigationControl><Responsibility></Responsibility><IAControls></IAControls>