Summary
In this chapter, we have covered the powerful filter section of Logstash that can be used for parsing and enriching log events. We have also covered some of the commonly used filter plugins. We also covered the Beats framework and looked at an overview of various beats including Filebeat, Heartbeat, Packetbeat, and so on, and covered Filebeat in detail.
In the next chapter, we will be covering the various features of X-Pack, a commercial offering by Elastic.co which contains features such as the security to secure Elastic stack, monitoring, alerting, graphs, reporting, and many more.