In the event of a system failure, the DNS server implementation must preserve any information necessary to determine cause of failure and any information necessary to return to operations with least disruption to mission processes.

From Domain Name System (DNS) Security Requirements Guide

Part of SRG-APP-000226-DNS-000032

Associated with: CCI-001665

SV-69079r1_rule In the event of a system failure, the DNS server implementation must preserve any information necessary to determine cause of failure and any information necessary to return to operations with least disruption to mission processes.

Vulnerability discussion

Failure to a known state can address safety or security in accordance with the mission/business needs of the organization. Failure to a known secure state helps prevent a loss of confidentiality, integrity, or availability in the event of a failure of the information system or a component of the system. Preserving application state information helps to facilitate application restart and return to the operational mode of the organization with less disruption to mission-essential processes.

Check content

Review the DNS server implementation configuration to determine if the DNS server preserves any information necessary to determine cause of system failure and any information necessary to return to operations with least disruption to mission processes. If the DNS server does not preserve the necessary information, this is a finding.

Fix text

Configure the DNS server to preserve any information necessary to determine cause of system failure and any information necessary to return to operations with least disruption to mission processes.

Pro Tips

Lavender hyperlinks in small type off to the right (of CSS class id, if you view the page source) point to globally unique URIs for each document and item. Copy the link location and paste anywhere you need to talk unambiguously about these things.

You can obtain data about documents and items in other formats. Simply provide an HTTP header Accept: text/turtle or Accept: application/rdf+xml.

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