Port
Port 9200 — Elasticsearch
Port 9200 (TCP) is used by Elasticsearch. Elasticsearch REST API.
Port 9200 at a glance
| Property | Value |
|---|---|
| Port number | 9200 |
| Transport | TCP |
| Service | Elasticsearch |
| Category | Registered port |
What it is used for
Elasticsearch REST API.
Security considerations
Unauthenticated by default — never expose publicly.
See our full TCP/UDP port reference and learn how firewalls filter ports in the CyberOps course.
Frequently asked questions
What is port 9200 used for?
Port 9200 (TCP) is used by Elasticsearch. Elasticsearch REST API.
Is port 9200 TCP or UDP?
Port 9200 uses TCP.
Is it safe to open port 9200?
Unauthenticated by default — never expose publicly.
Related
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