No profile (default benchmark)
Rules and Groups employed by this XCCDF Profile
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SRG-APP-000383-DNS-000047
Group -
The F5 BIG-IP DNS implementation must prohibit recursion on authoritative name servers.
A potential vulnerability of DNS is that an attacker can poison a name server's cache by sending queries that will cause the server to obtain host-to-IP address mappings from bogus name servers tha...Rule Medium Severity -
SRG-APP-000516-DNS-000078
Group -
The validity period for the RRSIGs covering a zone's DNSKEY RRSet 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 -
SRG-APP-000516-DNS-000089
Group -
An authoritative name server must be configured to enable DNSSEC Resource Records.
The specification for a digital signature mechanism in the context of the DNS infrastructure is in IETF's DNSSEC standard. In DNSSEC, trust in the public key (for signature verification) of the sou...Rule Medium Severity -
SRG-APP-000516-DNS-000095
Group -
Primary authoritative name servers must be configured to only receive zone transfer requests from specified secondary name servers.
Authoritative name servers (especially primary name servers) must be configured with an allow-transfer access control substatement designating the list of hosts from which zone transfer requests ca...Rule Medium Severity -
SRG-APP-000516-DNS-000102
Group -
The F5 BIG-IP DNS must use valid root name servers in the local root zone file.
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
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