Domain Name System (DNS) Security Requirements Guide
Rules, Groups, and Values defined within the XCCDF Benchmark
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In the event of an error when validating the binding of another DNS servers identity to the DNS information, the DNS server implementation must log the event and send notification to the DNS administrator.
<VulnDiscussion>Failing to act on the validation errors may result in the use of invalid, corrupted, or compromised information. The validati...Rule Medium Severity -
SRG-APP-000383
<GroupDescription></GroupDescription>Group -
The DNS implementation must prohibit recursion on authoritative name servers.
<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 -
The DNS server implementation must authenticate the other DNS server before responding to a server-to-server transaction.
<VulnDiscussion>Without authenticating devices, unidentified or unknown devices may be introduced, thereby facilitating malicious activity. D...Rule Medium Severity -
SRG-APP-000395
<GroupDescription></GroupDescription>Group -
The DNS server implementation must authenticate another DNS server before establishing a remote and/or network connection using bidirectional authentication that is cryptographically based.
<VulnDiscussion>Without authenticating devices, unidentified or unknown devices may be introduced, thereby facilitating malicious activity. B...Rule Medium Severity -
SRG-APP-000401
<GroupDescription></GroupDescription>Group -
The DNS server implementation, for PKI-based authentication, must implement a local cache of revocation data to support path discovery and validation in case of the inability to access revocation information via the network.
<VulnDiscussion>Without configuring a local cache of revocation data, there is the potential to allow access to users who are no longer autho...Rule Medium Severity -
SRG-APP-000420
<GroupDescription></GroupDescription>Group -
A DNS server implementation must provide data origin artifacts for internal name/address resolution queries.
<VulnDiscussion>The major threat associated with DNS forged responses or failures is the integrity of the DNS data returned in the response. ...Rule Medium Severity
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