III - Administrative Public
Rules and Groups employed by this XCCDF Profile
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SRG-APP-000516-DNS-000099
Group -
The Windows DNS Servers zone database files must not be accessible for edit/write by users and/or processes other than the Windows DNS Server service account and/or the DNS database administrator.
Discretionary Access Control (DAC) is based on the premise that individual users are "owners" of objects and therefore have discretion over who should be authorized to access the object and in whic...Rule Medium Severity -
SRG-APP-000516-DNS-000101
Group -
The Windows DNS Server must implement internal/external role separation.
DNS servers with an internal role only process name/address resolution requests from within the organization (i.e., internal clients). DNS servers with an external role only process name/address re...Rule Medium Severity -
SRG-APP-000516-DNS-000102
Group -
The Windows DNS Server authoritative for local zones must only point root hints to the DNS servers that host the internal root domain.
All caching name servers must be authoritative for the root zone because, without this starting point, they would have no knowledge of the DNS infrastructure and thus would be unable to respond to ...Rule Medium Severity -
SRG-APP-000516-DNS-000113
Group -
The Windows DNS Servers zone files must not include resource records that resolve to a fully qualified domain name residing in another zone.
If a name server could claim authority for a resource record in a domain for which it was not authoritative, this would pose a security risk. In this environment, an adversary could use illicit con...Rule Medium Severity -
SRG-APP-000516-DNS-000114
Group -
The Windows DNS Server's zone files must not include CNAME records pointing to a zone with lesser security for more than six months.
The use of CNAME records for exercises, tests, or zone-spanning (pointing to zones with lesser security) aliases should be temporary (e.g., to facilitate a migration) and not be in place for more t...Rule Medium Severity
Node 2
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