Integrating Pi-hole Logs in ELK with Logstash

Published: 2019-12-07
Last Updated: 2019-12-07 20:45:58 UTC
by Guy Bruneau (Version: 1)
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I wanted to parse and ingest my Pi-hole DNS logs for a while now in Elasticsearch to be able to analyze them in various ways. I wrote four separate Grok parser for Logstash to send the logs to a ELK stack. I am now able to view and analyze which domains have been Sinkhole by gravity.list or regex.list (custom wildcard lists) and create the necessary dashboards to report on the DNS traffic. This is an example of the output in Discover. In this example, I have filtered out the dns_type: forwarded.

The configuration file can be downloaded here.


Guy Bruneau IPSS Inc.
My Handler Page
Twitter: GuyBruneau
gbruneau at isc dot sans dot edu

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