Under When maximum event log size is reached choose Archive the log when full, do not overwrite events.Right-click Analytical and then click Properties.Right-click DNS-Server, point to View, and click Show Analytic and Debug Logs.In Event Viewer, navigate to Applications and Services Logs\Microsoft\Windows\DNS-Server.Type eventvwr.msc at an elevated command prompt and press ENTER to open Event Viewer.To install and enable DNS diagnostic logging on Windows Server 2012 R2, first install the hotfix available at. When performance is a concern, it is recommended to use NXLog Enterprise Edition for its ability to ingest through the Event Tracing for Windows (ETW) module.ĭNS Audit logs are enabled by default on Windows Server 2012 R2 and later, and diagnostic logging should already be installed on Windows Server 2016 Technical Preview or later. It is also possible to configure the Windows Event Log module to read DNS Analytical logs. The Windows Event Log (im_msvistalog) module is primarily used to ingest DNS Server Audit Logs. The NXLog config file’s DNS input section may also be modified based on the location of this log file path and name if C:\Server\dns.log is not used.Įxec if ($raw_event =~ /^#/) OR ($raw_event = '') drop() \ĭNS Analytics Through Windows Event Logs ¶ WARNING | DO NOT ENABLE DETAILS! This module does not support parsing of logs from DNS Debug Logging generated with the Details option enabled, as this will produce multi-line logs! Additional Configuration of NXLog Configuration File ¶ Ensure that NXLog has permissions to read from this path.Cyderes recommends something like: C:\Server\dns.log Set the File path and name to the desired log file location (be sure to use a location on the C: drive for the debug log path).Mark the check boxes corresponding to the data that should be logged.Under the Debug Logging tab, enable Log packets for debugging.Right-click on the DNS Server and choose Properties from the context menu.Open the DNS Management console (dnsmgmt.msc).To enable DNS Debug Logging, perform the following actions. To import data using file-based logging, it MUST be enabled first. This is also a preferred way to ingest DNS events using NXLog Community edition that also has a high parse rate based on Chronicle’s default parsers. Data Types ¶įile-based DNS debug logging is the only way to monitor DNS events on Windows Server versions prior to 2012 R2. DNS is a rich telemetry source that can help detect a wide array of attacks that would normally be very difficult to identify.
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