The Windows 2012 DNS Server log must include results of events within the log records.

From Microsoft Windows 2012 Server Domain Name System Security Technical Implementation Guide

Part of SRG-APP-000099-DNS-000010

Associated with: CCI-000134

SV-72999r3_rule The Windows 2012 DNS Server log must include results of events within the log records.

Vulnerability discussion

Without the capability to generate audit records, it would be difficult to establish, correlate, and investigate the events relating to an incident or identify those responsible for one. The actual auditing is performed by the OS/NDM, but the configuration to trigger the auditing is controlled by the DNS server.In order to compile an accurate risk assessment, it is essential for security personnel to know what is being performed on the system, where an event occurred, when an event occurred, and by whom the event was triggered. Logging the actions of specific events provides a means to investigate an attack, recognize resource utilization or capacity thresholds, or to simply identify an improperly configured DNS system. If auditing is not comprehensive, it will not be useful for intrusion monitoring, security investigations, and forensic analysis. It is important, therefore, to log all possible data related to events so that they can be correlated and analyzed to determine the risk.Data required to be captured include: whether an event was successful or failed, the event type or category, timestamps for when the event occurred, where the event originated, who/what initiated the event, affect the event had on the DNS implementation and any processes associated with the event.

Check content

Log on to the DNS server using the Domain Admin or Enterprise Admin account. Press Windows Key + R, execute dnsmgmt.msc. Right-click the DNS server, select Properties. Click on the Event Logging tab. By default, all events are logged. Verify "Errors and warnings" or "All events" is selected. If any option other than "Errors and warnings" or "All events" is selected, this is a finding. For Windows 2012 R2 DNS Server, the Enhanced DNS logging and diagnostics in Windows Server 2012 R2 must also be enabled. Run eventvwr.msc at an elevated command prompt. In the Event viewer, navigate to the applications and Services Logs\Microsoft\Windows\DNS Server. Right-click DNS Server, point to View, and then click "Show Analytic and Debug Logs". Right-click Analytical and then click on Properties. Confirm the "Enable logging" check box is selected. If the check box to enable analytic and debug logs is not enabled on a Windows 2012 R2 DNS server, this is a finding.

Fix text

Log on to the DNS server using the Domain Admin or Enterprise Admin account. Press Windows Key + R, execute dnsmgmt.msc. Right-click the DNS server, select Properties. Click on the Event Logging tab. By default, all events are logged. Select the "Errors and warnings" or "All events" option. Click on Apply. Click on OK. For Windows 2012 R2 DNS Server, run eventvwr.msc at an elevated command prompt. In the Event viewer, navigate to the applications and Services Logs\Microsoft\Windows\DNS Server. Right-click DNS Server, point to View, and then click "Show Analytic and Debug Logs". Right-click Analytical and then click on Properties. Select the "Enable logging" check box. Click on OK.

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