Will es nodes connect with each other in 9200?

Elastic Stack Elasticsearch
2

After use tcpdump I found it's monitoring data(I also deploy a kibana in my environment), and I found that there already described that What are ports 9200 and 9300 used for?

  • Port 9200 is used for all API calls over HTTP. This includes search and aggregations, monitoring and anything else that uses a HTTP request. All client libraries will use this port to talk to Elasticsearch

So it is the monitoring request cause this.
Sorry for disturbance.

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