cluster.name: graylog
network.host: 0.0.0.0
http.port: 9200
discovery.zen.ping.unicast.hosts: localhost
http.cors.enabled: true
# set the following to the FQDN of a server you wish to have access to elasticsearch. In my case it is a Grafana server.
# to allow any server to connect use a wildcard "*" instead of https://FQDN
http.cors.allow-origin: "https://FQDN"