Cant access elasticsearch port from remote machine

Elastic Stack Elasticsearch
1

im using elasticsearch 5.1.2 hosted on microsoft server 2008
ip address-100.100.171.207
but im not able to connect to port 9200 using 100.100.171.207:9200
i have also added inbound as well as outbound rule in firewall
And im using default es config file.

2

You need to define network.host in the config file

3

thanks David.