Roman Kravets

Also works fine for me. This problem is described in more detail here: https://discuss.elastic.co/t/problem-logstash-outputs-elasticsearch-could-not-index-event-to-elasticsearch-wazuh-alerts-3-x-2020-05-30/235038/6 The field name **hostname** corresponds to the ECS documentation - https://www.elastic.co/guide/en/ecs/current/ecs-host.html#field-host-hostname