GrayLog Configuration Error : Please verify that the server is healthy and working correctly.

First, we need to Make sure the Elastic Seach is running fine.

Following was the configuration
cluster.name: graylog
network.host: 127.0.0.1

Then Make sure the Entry in the graylog for following attributes is correct.



rest_listen_uri = http://0.0.0.0:9000/api
web_listen_uri = http://0.0.0.0:9000/
rest_transport_uri = http://192.168.0.66:9000/api
web_endpoint_uri = http://192.168.0.66:9000/api

** In Aws/Azure Make sure we give the Server's Public IP or the Load balancers IP.