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XCCDF
BIND 9.x Security Technical Implementation Guide
SRG-APP-000516-DNS-000088
On a BIND 9.x server all authoritative name servers for a zone must have the same version of zone information.
On a BIND 9.x server all authoritative name servers for a zone must have the same version of zone information.
An XCCDF Rule
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On a BIND 9.x server all authoritative name servers for a zone must have the same version of zone information.
Medium Severity
<VulnDiscussion>It is important to maintain the integrity of a zone file. The serial number of the SOA record is used to indicate to secondary name server that a change to the zone has occurred and a zone transfer should be performed. The serial number used in the SOA record provides the DNS administrator a method to verify the integrity of the zone file based on the serial number of the last update and ensure that all slave servers are using the correct zone file.</VulnDiscussion><FalsePositives></FalsePositives><FalseNegatives></FalseNegatives><Documentable>false</Documentable><Mitigations></Mitigations><SeverityOverrideGuidance></SeverityOverrideGuidance><PotentialImpacts></PotentialImpacts><ThirdPartyTools></ThirdPartyTools><MitigationControl></MitigationControl><Responsibility></Responsibility><IAControls></IAControls>