BIND 9.x Security Technical Implementation Guide
Rules, Groups, and Values defined within the XCCDF Benchmark
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SRG-APP-000213-DNS-000024
<GroupDescription></GroupDescription>Group -
A BIND 9.x server implementation must maintain the integrity and confidentiality of DNS information while it is being prepared for transmission, in transmission, and in use and t must perform integrity verification and data origin verification for all DNS information.
<VulnDiscussion>DNSSEC is required for securing the DNS query/response transaction by providing data origin authentication and data integrity...Rule High Severity -
SRG-APP-000214-DNS-000025
<GroupDescription></GroupDescription>Group -
A BIND 9.x server implementation must provide the means to indicate the security status of child zones.
<VulnDiscussion>If name server replies are invalid or cannot be validated, many networking functions and communication would be adversely aff...Rule Medium Severity -
SRG-APP-000214-DNS-000079
<GroupDescription></GroupDescription>Group -
The BIND 9.x server validity period for the RRSIGs covering the DS RR for zones delegated children 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-000099
<GroupDescription></GroupDescription>Group -
The core BIND 9.x server files must be owned by the root or BIND 9.x process account.
<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-000099
<GroupDescription></GroupDescription>Group -
The core BIND 9.x server files must be group owned by a group designated for DNS administration only.
<VulnDiscussion>Discretionary Access Control (DAC) is based on the premise that individual users are "owners" of objects and therefore have d...Rule Medium Severity
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