II - Mission Support Public
Rules and Groups employed by this XCCDF Profile
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SRG-APP-000383-DNS-000047
<GroupDescription></GroupDescription>Group -
Forwarders on an authoritative Windows 2012 DNS Server, if enabled for external resolution, must only forward to either an internal, non-AD-integrated DNS server or to the DoD Enterprise Recursive Services (ERS).
<VulnDiscussion>A potential vulnerability of DNS is that an attacker can poison a name server's cache by sending queries that will cause the ...Rule Medium Severity -
SRG-APP-000383-DNS-000047
<GroupDescription></GroupDescription>Group -
The Windows 2012 DNS Server with a caching name server role must restrict recursive query responses to only the IP addresses and IP address ranges of known supported clients.
<VulnDiscussion>A potential vulnerability of DNS is that an attacker can poison a name server's cache by sending queries that will cause the ...Rule Medium Severity -
SRG-APP-000383-DNS-000047
<GroupDescription></GroupDescription>Group -
The Windows 2012 DNS Server with a caching name server role must be secured against pollution by ensuring the authenticity and integrity of queried records.
<VulnDiscussion>A potential vulnerability of DNS is that an attacker can poison a name server's cache by sending queries that will cause the ...Rule Medium Severity -
SRG-APP-000440-DNS-000065
<GroupDescription></GroupDescription>Group -
The Windows 2012 DNS Server 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-000516-DNS-000078
<GroupDescription></GroupDescription>Group -
The validity period for the RRSIGs covering a zones DNSKEY RRSet must be no less than two days and no more than one week.
<VulnDiscussion>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-000516-DNS-000084
<GroupDescription></GroupDescription>Group -
NSEC3 must be used for all internal DNS zones.
<VulnDiscussion>NSEC records list the resource record types for the name, as well as the name of the next resource record. With this informat...Rule Medium Severity -
SRG-APP-000516-DNS-000085
<GroupDescription></GroupDescription>Group -
The Windows 2012 DNS Servers zone files must have NS records that point to active name servers authoritative for the domain specified in that record.
<VulnDiscussion>Poorly constructed NS records pose a security risk because they create conditions under which an adversary might be able to p...Rule High Severity -
SRG-APP-000516-DNS-000087
<GroupDescription></GroupDescription>Group -
All authoritative name servers for a zone must be located on different network segments.
<VulnDiscussion>Most enterprises have an authoritative primary server and a host of authoritative secondary name servers. It is essential tha...Rule Medium Severity -
SRG-APP-000516-DNS-000088
<GroupDescription></GroupDescription>Group -
All authoritative name servers for a zone must have the same version of zone information.
<VulnDiscussion>The only protection approach for content control of a DNS zone file is the use of a zone file integrity checker. The effectiv...Rule Medium Severity -
SRG-APP-000516-DNS-000089
<GroupDescription></GroupDescription>Group -
The Windows 2012 DNS Server must be configured to enable DNSSEC Resource Records.
<VulnDiscussion>The specification for a digital signature mechanism in the context of the DNS infrastructure is in IETF's DNSSEC standard. I...Rule High Severity
Node 2
The content of the drawer really is up to you. It could have form fields, definition lists, text lists, labels, charts, progress bars, etc. Spacing recommendation is 24px margins. You can put tabs in here, and can also make the drawer scrollable.