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XCCDF
BIND 9.x Security Technical Implementation Guide
SRG-APP-000516-DNS-000500
The BIND 9.x server implementation must prohibit the forwarding of queries to servers controlled by organizations outside of the U.S. Government.
The BIND 9.x server implementation must prohibit the forwarding of queries to servers controlled by organizations outside of the U.S. Government.
An XCCDF Rule
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The BIND 9.x server implementation must prohibit the forwarding of queries to servers controlled by organizations outside of the U.S. Government.
Medium Severity
<VulnDiscussion>If remote servers to which DoD DNS servers send queries are controlled by entities outside of the U.S. Government the possibility of a DNS attack is increased. The Enterprise Recursive Service (ERS) provides the ability to apply enterprise-wide policy to all recursive DNS traffic that traverses the NIPRNet-to-Internet boundary. All recursive DNS servers on the NIPRNet must be configured to exclusively forward DNS traffic traversing NIPRNet-to-Internet boundary to the ERS anycast IPs. Organizations need to carefully configure any forwarding that is being used by their caching name servers. They should only configure "forwarding of all queries" to servers within the DoD. Systems configured to use domain-based forwarding should not forward queries for mission critical domains to any servers that are not under the control of the US Government.</VulnDiscussion><FalsePositives></FalsePositives><FalseNegatives></FalseNegatives><Documentable>false</Documentable><Mitigations></Mitigations><SeverityOverrideGuidance></SeverityOverrideGuidance><PotentialImpacts></PotentialImpacts><ThirdPartyTools></ThirdPartyTools><MitigationControl></MitigationControl><Responsibility></Responsibility><IAControls></IAControls>