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II - Mission Support Sensitive

Rules and Groups employed by this XCCDF Profile

  • SRG-APP-000214

    <GroupDescription></GroupDescription>
    Group
  • A DNS server implementation must provide the means to indicate the security status of child zones.

    &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
  • SRG-APP-000214

    <GroupDescription></GroupDescription>
    Group
  • The validity period for the RRSIGs covering the DS RR for a zones delegated children must be no less than two days and no more than one week.

    &lt;VulnDiscussion&gt;The best way for a zone administrator to minimize the impact of a key compromise is by limiting the validity period of RRSIGs...
    Rule Medium Severity
  • SRG-APP-000215

    <GroupDescription></GroupDescription>
    Group
  • The DNS server implementation must enforce approved authorizations for controlling the flow of information between DNS servers and between DNS servers and DNS clients based on DNSSEC policies.

    &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
  • SRG-APP-000215

    <GroupDescription></GroupDescription>
    Group
  • A DNS server implementation must provide the means to enable verification of a chain of trust among parent and child domains (if the child supports secure resolution services).

    &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
  • SRG-APP-000219

    <GroupDescription></GroupDescription>
    Group
  • The DNS implementation must protect the authenticity of communications sessions for zone transfers.

    &lt;VulnDiscussion&gt;DNS is a fundamental network service that is prone to various attacks, such as cache poisoning and man-in-the middle attacks....
    Rule Medium Severity

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