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XCCDF
BIND 9.x Security Technical Implementation Guide
SRG-APP-000001-DNS-000001
The BIND 9.x secondary name server must limit the number of zones requested from a single master name server.
The BIND 9.x secondary name server must limit the number of zones requested from a single master name server.
An XCCDF Rule
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The BIND 9.x secondary name server must limit the number of zones requested from a single master name server.
Medium Severity
<VulnDiscussion>Limiting the number of concurrent sessions reduces the risk of Denial of Service (DoS) to the DNS implementation. Name servers do not have direct user connections but accept client connections for queries. Original restriction on client connections should be high enough to prevent a self-imposed denial of service, after which the connections are monitored and fine-tuned to best meet the organization's specific requirements.</VulnDiscussion><FalsePositives></FalsePositives><FalseNegatives></FalseNegatives><Documentable>false</Documentable><Mitigations></Mitigations><SeverityOverrideGuidance></SeverityOverrideGuidance><PotentialImpacts></PotentialImpacts><ThirdPartyTools></ThirdPartyTools><MitigationControl></MitigationControl><Responsibility></Responsibility><IAControls></IAControls>