TLS transport in single node cluster


(Elasticsearch Version 7.12)
I'm securing my single-node ES cluster with TLS. _site_
discovery.type: single-node

I've already successfully configured TLS over http for communication from outside with the cluster: true true mycert_with_key.pfx ***

My question is about the transport layer:
As I understand, since there is only one node, there is no internode communication (port 9300) so no need to configure the* stuff, right?

Thanks for information!

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