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Microsoft Windows 2012 Server Domain Name System Security Technical Implementation Guide

Rules, Groups, and Values defined within the XCCDF Benchmark

  • SRG-APP-000158-DNS-000015

    <GroupDescription></GroupDescription>
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  • The Windows 2012 DNS Server must uniquely identify the other DNS server before responding to a server-to-server transaction.

    &lt;VulnDiscussion&gt;Without identifying devices, unidentified or unknown devices may be introduced, thereby facilitating malicious activity. This...
    Rule Medium Severity
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  • SRG-APP-000394-DNS-000049

    <GroupDescription></GroupDescription>
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  • The secondary Windows DNS name servers must cryptographically authenticate zone transfers from primary name servers.

    &lt;VulnDiscussion&gt;Without authenticating devices, unidentified or unknown devices may be introduced, thereby facilitating malicious activity. D...
    Rule Medium Severity
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  • SRG-APP-000001-DNS-000001

    <GroupDescription></GroupDescription>
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  • The Windows DNS primary server must only send zone transfers to a specific list of secondary name servers.

    &lt;VulnDiscussion&gt;Primary name servers also make outbound connection to secondary name servers to provide zone transfers and accept inbound con...
    Rule Medium Severity
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  • SRG-APP-000347-DNS-000041

    <GroupDescription></GroupDescription>
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  • The Windows 2012 DNS Server must provide its identity with returned DNS information by enabling DNSSEC and TSIG/SIG(0).

    &lt;VulnDiscussion&gt;Weakly bound credentials can be modified without invalidating the credential; therefore, non-repudiation can be violated. Th...
    Rule Medium Severity
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  • SRG-APP-000176-DNS-000017

    <GroupDescription></GroupDescription>
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  • The Windows 2012 DNS Server must be configured to enforce authorized access to the corresponding private key.

    &lt;VulnDiscussion&gt;The cornerstone of the PKI is the private key used to encrypt or digitally sign information. If the private key is stolen, th...
    Rule Medium Severity
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  • SRG-APP-000176-DNS-000018

    <GroupDescription></GroupDescription>
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  • The Windows 2012 DNS Server key file must be owned by the account under which the Windows 2012 DNS Server service is run.

    &lt;VulnDiscussion&gt;To enable zone transfer (requests and responses) through authenticated messages, it is necessary to generate a key for every ...
    Rule Medium Severity
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  • SRG-APP-000176-DNS-000019

    <GroupDescription></GroupDescription>
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  • The Windows 2012 DNS Server permissions must be set so that the key file can only be read or modified by the account that runs the name server software.

    &lt;VulnDiscussion&gt;To enable zone transfer (requests and responses) through authenticated messages, it is necessary to generate a key for every ...
    Rule Medium Severity
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  • SRG-APP-000176-DNS-000094

    <GroupDescription></GroupDescription>
    Group
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  • The private key corresponding to the ZSK must only be stored on the name server that does 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
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  • SRG-APP-000401-DNS-000051

    <GroupDescription></GroupDescription>
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  • The Windows 2012 DNS Server must implement a local cache of revocation data for PKIauthentication in the event revocation information via the network is not accessible.

    &lt;VulnDiscussion&gt;Without configuring a local cache of revocation data, there is the potential to allow access to users who are no longer autho...
    Rule Medium Severity
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  • SRG-APP-000516-DNS-000077

    <GroupDescription></GroupDescription>
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  • The Name Resolution Policy Table (NRPT) must be configured in Group Policy to enforce clients to request DNSSEC validation for a domain.

    &lt;VulnDiscussion&gt;The Name Resolution Policy Table (NRPT) is used to require DNSSEC validation. The NRPT can be configured in local Group Polic...
    Rule Medium Severity
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  • SRG-APP-000215-DNS-000026

    <GroupDescription></GroupDescription>
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  • The salt value for zones signed using NSEC3 RRs must be changed every time the zone is completely re-signed.

    &lt;VulnDiscussion&gt;NSEC records list the resource record types for the name, as well as the name of the next resource record. With this informat...
    Rule Medium Severity
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  • SRG-APP-000213-DNS-000024

    <GroupDescription></GroupDescription>
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  • The Windows 2012 DNS Server must include data origin with authoritative data the system returns in response to external name/address resolution queries.

    &lt;VulnDiscussion&gt;The underlying feature in the major threat associated with DNS query/response (i.e., forged response or response failure) is ...
    Rule Medium Severity
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  • SRG-APP-000420-DNS-000053

    <GroupDescription></GroupDescription>
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  • The Windows 2012 DNS Servers IP address must be statically defined and configured locally on the server.

    &lt;VulnDiscussion&gt;The major threat associated with DNS forged responses or failures are the integrity of the DNS data returned in the response....
    Rule Medium Severity
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  • SRG-APP-000420-DNS-000053

    <GroupDescription></GroupDescription>
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  • The Windows 2012 DNS Server must return data information in responses to internal name/address resolution queries.

    &lt;VulnDiscussion&gt;The major threat associated with DNS forged responses or failures is the integrity of the DNS data returned in the response. ...
    Rule Medium Severity
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  • SRG-APP-000421-DNS-000054

    <GroupDescription></GroupDescription>
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  • The Windows 2012 DNS Server must use DNSSEC data within queries to confirm data origin to DNS resolvers.

    &lt;VulnDiscussion&gt;The major threat associated with DNS forged responses or failures are the integrity of the DNS data returned in the response....
    Rule Medium Severity
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  • SRG-APP-000422-DNS-000055

    <GroupDescription></GroupDescription>
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  • WINS lookups must be disabled on the Windows 2012 DNS Server.

    &lt;VulnDiscussion&gt;The major threat associated with DNS forged responses or failures is the integrity of the DNS data returned in the response. ...
    Rule Medium Severity
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  • SRG-APP-000422-DNS-000055

    <GroupDescription></GroupDescription>
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  • The Windows 2012 DNS Server must use DNSSEC data within queries to confirm data integrity to DNS resolvers.

    &lt;VulnDiscussion&gt;The major threat associated with DNS forged responses or failures is the integrity of the DNS data returned in the response. ...
    Rule Medium Severity
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  • SRG-APP-000214-DNS-000025

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  • The Windows 2012 DNS Server must be configured with the DS RR carrying the signature for the RR that contains the public key of the child zone.

    &lt;VulnDiscussion&gt;If name server replies are invalid or cannot be validated, many networking functions and communication would be adversely aff...
    Rule Medium Severity
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  • SRG-APP-000215-DNS-000003

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  • The Windows 2012 DNS Server must enforce approved authorizations between DNS servers through the use of digital signatures in the RRSet.

    &lt;VulnDiscussion&gt;A mechanism to detect and prevent unauthorized communication flow must be configured or provided as part of the system design...
    Rule Medium Severity
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  • SRG-APP-000215-DNS-000003

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  • The Windows 2012 DNS Server must be configured to validate an authentication chain of parent and child domains via response data.

    &lt;VulnDiscussion&gt;If name server replies are invalid or cannot be validated, many networking functions and communication would be adversely aff...
    Rule Medium Severity
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  • SRG-APP-000215-DNS-000026

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  • Trust anchors must be exported from authoritative Windows 2012 DNS Servers and distributed to validating Windows 2012 DNS Servers.

    &lt;VulnDiscussion&gt;If name server replies are invalid or cannot be validated, many networking functions and communication would be adversely aff...
    Rule Medium Severity
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  • SRG-APP-000215-DNS-000026

    <GroupDescription></GroupDescription>
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  • Automatic Update of Trust Anchors must be enabled on key rollover.

    &lt;VulnDiscussion&gt;A trust anchor is a preconfigured public key associated with a specific zone. A validating DNS server must be configured with...
    Rule Medium Severity
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  • SRG-APP-000423-DNS-000056

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  • The Windows DNS secondary servers must request data origin authentication verification from the primary server when requesting name/address resolution.

    &lt;VulnDiscussion&gt;If data origin authentication and data integrity verification are not performed, the resultant response could be forged, it m...
    Rule Medium Severity
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  • SRG-APP-000424-DNS-000057

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  • The Windows DNS secondary server must request data integrity verification from the primary server when requesting name/address resolution.

    &lt;VulnDiscussion&gt;If data origin authentication and data integrity verification are not performed, the resultant response could be forged, it m...
    Rule Medium Severity
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  • SRG-APP-000425-DNS-000058

    <GroupDescription></GroupDescription>
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  • The Windows DNS secondary server must validate data integrity verification on the name/address resolution responses received from primary name servers.

    &lt;VulnDiscussion&gt;If data origin authentication and data integrity verification are not performed, the resultant response could be forged, it m...
    Rule Medium Severity
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