Hi,

For using syslog-ng together with elasticsearch and Kibana this is a pretty good description, also giving you a good understanding of what it enables you to do:

https://czanik.blogs.balabit.com/2015/10/how-to-parse-data-with-syslog-ng-store-in-elasticsearch-and-analyze-with-kibana/

https://czanik.blogs.balabit.com/2015/12/elasticsearch-and-syslog-ng-fast-and-simple/

/Istvan