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Microsoft Windows Server Domain Name System (DNS) Security Technical Implementation Guide

Rules, Groups, and Values defined within the XCCDF Benchmark

  • The Windows DNS Server must require devices to reauthenticate for each dynamic update request connection attempt.

    <VulnDiscussion>Without reauthenticating devices, unidentified or unknown devices may be introduced, thereby facilitating malicious activity....
    Rule Medium Severity
    Show

  • SRG-APP-000158-DNS-000015

    <GroupDescription></GroupDescription>
    Group
    Show

  • The Windows 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
    Show

  • The Windows DNS Server must log the event and notify the system administrator when anomalies in the operation of the signed zone transfers are discovered.

    &lt;VulnDiscussion&gt;Security function is defined as the hardware, software, and/or firmware of the information system responsible for enforcing t...
    Rule Medium Severity
    Show

  • SRG-APP-000275-DNS-000040

    <GroupDescription></GroupDescription>
    Group
    Show

  • The Windows DNS Server must be configured to notify the information system security officer (ISSO), information system security manager (ISSM), or DNS administrator when functionality of DNSSEC/TSIG has been removed or broken.

    &lt;VulnDiscussion&gt;Security function is defined as the hardware, software, and/or firmware of the information system responsible for enforcing t...
    Rule Medium Severity
    Show

  • SRG-APP-000176-DNS-000076

    <GroupDescription></GroupDescription>
    Group
    Show

  • A unique Transaction Signature (TSIG) key must be generated for each pair of communicating hosts.

    &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
    Show

  • SRG-APP-000185-DNS-000021

    <GroupDescription></GroupDescription>
    Group
    Show

  • The DNS server implementation must employ strong authenticators in the establishment of nonlocal maintenance and diagnostic sessions.

    &lt;VulnDiscussion&gt;If unauthorized personnel use maintenance tools, they may accidentally or intentionally damage or compromise the system. The ...
    Rule Medium Severity
    Show

  • SRG-APP-000226-DNS-000032

    <GroupDescription></GroupDescription>
    Group
    Show

  • The private keys corresponding to both the zone signing key (ZSK) and the key signing key (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-000125-DNS-000012

    <GroupDescription></GroupDescription>
    Group
    Show

  • The Windows DNS Server audit records must be backed up at least every seven days onto a different system or system component than the system or component being audited.

    &lt;VulnDiscussion&gt;Protection of log data includes ensuring log data is not accidentally lost or deleted. Backing up audit records to a differen...
    Rule Medium Severity
    Show

  • SRG-APP-000516-DNS-000093

    <GroupDescription></GroupDescription>
    Group
    Show

  • In a split DNS configuration, where separate name servers are used between the external and internal networks, the internal name server must be configured to not be reachable from outside resolvers.

    &lt;VulnDiscussion&gt;Instead of having the same set of authoritative name servers serve different types of clients, an enterprise could have two d...
    Rule Medium Severity
    Show

  • SRG-APP-000247-DNS-000036

    <GroupDescription></GroupDescription>
    Group
    Show

  • Windows DNS response rate limiting (RRL) must be enabled.

    &lt;VulnDiscussion&gt;This setting can prevent someone from sending a denial-of-service attack using the DNS servers. For instance, a bot net can s...
    Rule Medium Severity
    Show

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