III - Administrative Public
Rules and Groups employed by this XCCDF Profile
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SRG-APP-000516-DNS-000109
Group -
The platform on which the name server software is hosted must be configured to respond to DNS traffic only.
Hosts that run the name server software must not provide any other services and therefore must be configured to respond to DNS traffic only. In other words, the only allowed incoming ports/protocol...Rule Medium Severity -
SRG-APP-000516-DNS-000090
Group -
The digital signature algorithm used for DNSSEC-enabled zones must be set to use RSA/SHA256 or RSA/SHA512.
The choice of digital signature algorithm will be based on recommended algorithms in well-known standards. NIST's Digital Signature Standard (DSS) (FIPS186) provides three algorithm choices: - Digi...Rule High Severity -
SRG-APP-000349-DNS-000043
Group -
The F5 BIG-IP DNS server implementation must validate the binding of the other DNS server's identity to the DNS information for a server-to-server transaction (e.g., zone transfer).
Validation of the binding of the information prevents the modification of information between production and review. The validation of bindings can be achieved, for example, by the use of cryptogra...Rule Medium Severity -
SRG-APP-000213-DNS-000024
Group -
A BIG-IP DNS server implementation must provide additional data origin artifacts along with the authoritative data the system returns in response to external name/address resolution queries.
The underlying feature in the major threat associated with DNS query/response (e.g., forged response or response failure) is the integrity of DNS data returned in the response. The security objecti...Rule Medium Severity -
SRG-APP-000214-DNS-000079
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.
The best way for a zone administrator to minimize the impact of a key compromise is by limiting the validity period of RRSIGs in the zone and in the parent zone. This strategy limits the time durin...Rule Medium Severity
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