Blog Entries

29. 05. 2020 Enrico Alberti Log-SIEM, NetEye

Icinga DSL: How to Enrich SIEM Logs with Icinga Custom Vars

Over the past few months, I’ve received multiple client requests to export custom fields (custom variables or data lists) present in Icinga Director in order to enrich logs on Logstash or to make specific changes to the indexing process. The solution that I am going to explain in this article uses the Icinga DSL check…

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09. 03. 2020 Enrico Alberti Log-SIEM, NetEye

Store Years of NetFlow Historical Data with Elastic Rollup on NetEye 4.9

Keeping historical data around for analysis is extremely useful but often avoided due to the financial cost of archiving massive amounts of data. Retention periods are thus driven by financial realities rather than by the usefulness of extensive historical data. The Elastic Stack data rollup features provide a means to summarize and store historical data…

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