I have upgraded ElasticSearch from 5.0.1 to 5.4.0 version. Earlier I disabled security feature via setting below property in both elasticsearch.yml and kibana.yml:-
Now I have commented above property to explore security feature of ElasticSearch but still ElasticSearch and Kibana are accessible without any username/password.
I have applied basic license on this cluster for 1 year.
Please let me know how can I enable basic username/password authentication on ES & Kibana?