II - Mission Support Public
Rules and Groups employed by this XCCDF Profile
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SRG-APP-000426
<GroupDescription></GroupDescription>Group -
A DNS server implementation must perform data origin verification authentication on the name/address resolution responses the system receives from authoritative sources.
<VulnDiscussion>If data origin authentication and data integrity verification are not performed, the resultant response could be forged, it m...Rule Medium Severity -
SRG-APP-000427
<GroupDescription></GroupDescription>Group -
If the DNS server is using SIG(0), the DNS server implementation must only allow the use of DoD PKI-established certificate authorities for verification of the establishment of protected transactions.
<VulnDiscussion>Untrusted Certificate Authorities (CA) can issue certificates, but they may be issued by organizations or individuals that se...Rule Medium Severity -
SRG-APP-000428
<GroupDescription></GroupDescription>Group -
The DNS server implementation must utilize cryptographic mechanisms to prevent unauthorized modification of DNS zone data.
<VulnDiscussion>Applications handling data requiring "data at rest" protections must employ cryptographic mechanisms to prevent unauthorized ...Rule High Severity -
SRG-APP-000429
<GroupDescription></GroupDescription>Group -
The DNS server implementation must utilize cryptographic mechanisms to prevent unauthorized disclosure of non-DNS data stored on the DNS server.
<VulnDiscussion>Applications handling data requiring "data-at-rest" protections must employ cryptographic mechanisms to prevent unauthorized ...Rule High Severity -
SRG-APP-000439
<GroupDescription></GroupDescription>Group -
The DNS server implementation must protect the integrity of transmitted information.
<VulnDiscussion>Without protection of the transmitted information, confidentiality and integrity may be compromised since unprotected communi...Rule High Severity -
SRG-APP-000440
<GroupDescription></GroupDescription>Group -
The DNS server implementation must implement cryptographic mechanisms to detect changes to information during transmission unless otherwise protected by alternative physical safeguards, such as, at a minimum, a Protected Distribution System (PDS).
<VulnDiscussion>Encrypting information for transmission protects information from unauthorized disclosure and modification. Cryptographic mec...Rule Medium Severity -
SRG-APP-000441
<GroupDescription></GroupDescription>Group -
The DNS server implementation must maintain the integrity of information during preparation for transmission.
<VulnDiscussion>Information can be either unintentionally or maliciously disclosed or modified during preparation for transmission, including...Rule Medium Severity -
SRG-APP-000442
<GroupDescription></GroupDescription>Group -
The DNS server implementation must maintain the integrity of information during reception.
<VulnDiscussion>Information can be either unintentionally or maliciously disclosed or modified during reception, including, for example, duri...Rule Medium Severity -
SRG-APP-000447
<GroupDescription></GroupDescription>Group -
The DNS server implementation must behave in a predictable and documented manner that reflects organizational and system objectives when invalid inputs are received.
<VulnDiscussion>A common vulnerability of applications is unpredictable behavior when invalid inputs are received. This requirement guards ag...Rule Medium Severity -
SRG-APP-000451
<GroupDescription></GroupDescription>Group -
The DNS server implementation must follow procedures to re-role a secondary name server as the master name server should the master name server permanently lose functionality.
<VulnDiscussion>Failing to an unsecure condition negatively impacts application security and can lead to system compromise. Failure condition...Rule Medium Severity
Node 2
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