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Domain Name System (DNS) Security Requirements Guide

Rules, Groups, and Values defined within the XCCDF Benchmark

  • The private key corresponding to the ZSK, stored on name servers accepting dynamic updates, must have appropriate directory/file-level access control list-based or cryptography-based protections.

    <VulnDiscussion>The private keys in the KSK and ZSK key pairs must be protected from unauthorized access. If possible, the private keys shoul...
    Rule Medium Severity
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  • SRG-APP-000516

    <GroupDescription></GroupDescription>
    Group
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  • The private keys corresponding to both the ZSK and the KSK must not be kept on the DNSSEC-aware primary authoritative name server when the name server does not support dynamic updates.

    &lt;VulnDiscussion&gt;The private keys in the KSK and ZSK key pairs must be protected from unauthorized access. If possible, the private keys shoul...
    Rule Medium Severity
    Show

  • SRG-APP-000516

    <GroupDescription></GroupDescription>
    Group
    Show

  • The DNS server implementation must implement the capability to centrally review and analyze audit records from multiple components within the system.

    &lt;VulnDiscussion&gt;Automated mechanisms for centralized reviews and analyses include Security Information and Event Management products.&lt;/Vul...
    Rule Medium Severity
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  • SRG-APP-000795

    <GroupDescription></GroupDescription>
    Group
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  • SRG-APP-000915

    <GroupDescription></GroupDescription>
    Group
    Show

  • A zone file must not include resource records that resolve to a fully qualified domain name residing in another zone.

    &lt;VulnDiscussion&gt;If a name server were able to claim authority for a resource record in a domain for which it was not authoritative, this woul...
    Rule Medium Severity
    Show

  • SRG-APP-000516

    <GroupDescription></GroupDescription>
    Group
    Show

  • CNAME records must not point to a zone with lesser security for more than six months.

    &lt;VulnDiscussion&gt;The use of CNAME records for exercises, tests, or zone-spanning aliases should be temporary (e.g., to facilitate a migration)...
    Rule Medium Severity
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