I - Mission Critical Classified
Rules and Groups employed by this XCCDF Profile
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SRG-APP-000516-DNS-000099
<GroupDescription></GroupDescription>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.
<VulnDiscussion>Discretionary Access Control (DAC) is based on the premise that individual users are "owners" of objects and therefore have d...Rule Medium Severity -
SRG-APP-000516-DNS-000101
<GroupDescription></GroupDescription>Group -
The Windows DNS Server must implement internal/external role separation.
<VulnDiscussion>DNS servers with an internal role only process name/address resolution requests from within the organization (i.e., internal ...Rule Medium Severity -
SRG-APP-000516-DNS-000102
<GroupDescription></GroupDescription>Group -
The Windows DNS Server authoritative for local zones must only point root hints to the DNS servers that host the internal root domain.
<VulnDiscussion>All caching name servers must be authoritative for the root zone because, without this starting point, they would have no kno...Rule Medium Severity -
SRG-APP-000516-DNS-000113
<GroupDescription></GroupDescription>Group -
The Windows DNS Servers zone files must not include resource records that resolve to a fully qualified domain name residing in another zone.
<VulnDiscussion>If a name server could claim authority for a resource record in a domain for which it was not authoritative, this would pose ...Rule Medium Severity -
SRG-APP-000516-DNS-000114
<GroupDescription></GroupDescription>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.
<VulnDiscussion>The use of CNAME records for exercises, tests, or zone-spanning (pointing to zones with lesser security) aliases should be te...Rule Medium Severity -
SRG-APP-000516-DNS-000500
<GroupDescription></GroupDescription>Group -
Nonroutable IPv6 link-local scope addresses must not be configured in any zone.
<VulnDiscussion>IPv6 link-local scope addresses are not globally routable and must not be configured in any DNS zone. Like RFC1918 addresses,...Rule Medium Severity -
SRG-APP-000516-DNS-000500
<GroupDescription></GroupDescription>Group -
AAAA addresses must not be configured in a zone for hosts that are not dual stack.
<VulnDiscussion>DNS is only responsible for resolving a domain name to an IP address. Applications and operating systems are responsible for ...Rule Medium Severity -
SRG-APP-000158-DNS-000015
<GroupDescription></GroupDescription>Group -
The Windows DNS Server must uniquely identify the other DNS server before responding to a server-to-server transaction.
<VulnDiscussion>Without identifying devices, unidentified or unknown devices may be introduced, thereby facilitating malicious activity. This...Rule Medium Severity -
SRG-APP-000394-DNS-000049
<GroupDescription></GroupDescription>Group -
The secondary Windows DNS name servers must cryptographically authenticate zone transfers from primary name servers.
<VulnDiscussion>Authenticity of zone transfers within Windows Active Directory (AD)-integrated zones is accomplished by AD replication. Witho...Rule Medium Severity -
SRG-APP-000001-DNS-000001
<GroupDescription></GroupDescription>Group -
The Windows DNS primary server must only send zone transfers to a specific list of secondary name servers.
<VulnDiscussion>Primary name servers also make outbound connection to secondary name servers to provide zone transfers and accept inbound con...Rule Medium Severity
Node 2
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