ES is not really a database :) most databases have some authentication features out of the box ... but true: for those kids who don't know how to block a port,

ES is not really a database :) most databases have some authentication features out of the box ... but true: for those kids who don't know how to block a port, configure nginx proxies etc.: https://sematext.com/blog/2017/01/18/elasticsearch-security-authentication-encryption-backup/ https://sematext.com/blog/2017/01/18/elasticsearch-security-... The most valuable part is about backups for ES indices - this could save you some bitcoins ;)