2379 etcd clientCoreOS/Kubernetes etcd client API.
Kubernetes control plane talks to etcd here. Protect with TLS; cluster-internal only.
| Transport | Status | Meaning |
|---|---|---|
| TCP | Yes | Assigned by IANA and standardized, specified, or widely used on this port. |
| UDP | Reserved | Reserved by IANA, generally to prevent collisions after a withdrawn assignment. |
| SCTP | — | Not applicable for this transport. |
| DCCP | — | Not applicable for this transport. |
Registered (1024–49151). Assigned by IANA on request; usable without elevated privileges on most systems.
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