Elasticsearch cluster IP whitelist

Elastic Stack Elasticsearch
1

Hello,

we have an elasticsearch cluster composed of 1 coordinator node and 3 data nodes.

We need to block external access to the cluster.
We want:

  • the coordinator node to be accessible only by one specific machine were we are running nginx as a reverse proxy
  • data nodes should only be accessible by each other and the coordinator node

Can someone point the direction on how to setup this?
Is there any elasticsearch configuration for whitelisting?
Googling for this I could only find solutions that use nginx on each node machine to filter requests.

Thanks,
Antero

2

X-pack security feature (commercial) does that.

3

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