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XCCDF
Microsoft Windows 2012 Server Domain Name System Security Technical Implementation Guide
SRG-APP-000001-DNS-000001
The Windows DNS primary server must only send zone transfers to a specific list of secondary name servers.
The Windows DNS primary server must only send zone transfers to a specific list of secondary name servers.
An XCCDF Rule
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The Windows DNS primary server must only send zone transfers to a specific list of secondary name servers.
Medium Severity
<VulnDiscussion>Primary name servers also make outbound connection to secondary name servers to provide zone transfers and accept inbound connection requests from clients wishing to provide a dynamic update. Primary name servers should explicitly limit zone transfers to only be made to designated secondary name servers. Because zone transfers involve the transfer of entire zones and use TCP connections, they place substantial demands on network resources relative to normal DNS queries. Errant or malicious frequent zone transfer requests on the name servers of the enterprise can overload the master zone server and result in DoS to legitimate users. AD-integrated DNS servers replicate zone information via AD replication. Non-AD-integrated DNS servers replicate zone information via zone transfers.</VulnDiscussion><FalsePositives></FalsePositives><FalseNegatives></FalseNegatives><Documentable>false</Documentable><Mitigations></Mitigations><SeverityOverrideGuidance></SeverityOverrideGuidance><PotentialImpacts></PotentialImpacts><ThirdPartyTools></ThirdPartyTools><MitigationControl></MitigationControl><Responsibility></Responsibility><IAControls></IAControls>