Monitoring & Διαχείριση

Port 9100

Node-Exporter

Prometheus Node Exporter — exposes host system metrics

Port
9100
Protocol
TCP
Service
Node-Exporter
Security
Restricted
Full name: Prometheus Node Exporter

What is port 9100?

Port 9100 is used by the Prometheus Node Exporter, which exposes detailed system-level metrics (CPU, memory, disk I/O, network) via an HTTP endpoint for Prometheus to scrape. Almost every Linux server in a Prometheus monitoring ecosystem runs Node Exporter. If exposed to the internet, it reveals detailed hardware and OS information that aids in reconnaissance.

Related ports

Port 9090 Prometheus/Cockpit Prometheus monitoring or Cockpit Linux web management
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