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BIND 9.x Security Technical Implementation Guide

Rules, Groups, and Values defined within the XCCDF Benchmark

  • SRG-APP-000516-DNS-000102

    <GroupDescription></GroupDescription>
    Group
  • On a BIND 9.x server all root name servers listed in the local root zone file hosted on a BIND 9.x authoritative name server must be valid for that zone.

    &lt;VulnDiscussion&gt;All caching name servers must be authoritative for the root zone because, without this starting point, they would have no kno...
    Rule Low Severity
  • SRG-APP-000516-DNS-000102

    <GroupDescription></GroupDescription>
    Group
  • On a BIND 9.x server all root name servers listed in the local root zone file hosted on a BIND 9.x authoritative name server must be empty or removed.

    &lt;VulnDiscussion&gt;A potential vulnerability of DNS is that an attacker can poison a name servers cache by sending queries that will cause the s...
    Rule Low Severity
  • SRG-APP-000516-DNS-000113

    <GroupDescription></GroupDescription>
    Group
  • On the BIND 9.x server 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
  • SRG-APP-000516-DNS-000114

    <GroupDescription></GroupDescription>
    Group
  • On the BIND 9.x server 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 Low Severity
  • SRG-APP-000516-DNS-000500

    <GroupDescription></GroupDescription>
    Group
  • The BIND 9.x server implementation must prohibit the forwarding of queries to servers controlled by organizations outside of the U.S. Government.

    &lt;VulnDiscussion&gt;If remote servers to which DoD DNS servers send queries are controlled by entities outside of the U.S. Government the possibi...
    Rule Medium Severity

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