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Metrics Reference

The OPNsense Exporter provides 320+ Prometheus metrics across 26 collectors, covering every major subsystem of the OPNsense firewall platform.

  • Metrics Overview

    Naming conventions, common labels, metric types, and PromQL examples.

    Overview

  • Complete Reference

    Auto-generated list of every metric with type, labels, and help text.

    Complete reference

Quick facts

  • 320+ metrics across 26 collectors
  • Naming convention: opnsense_<subsystem>_<metric_name>
  • Common label: opnsense_instance on every metric
  • Metric types: Gauge (most metrics), Counter (_total suffix)
  • Top-level health: opnsense_up, opnsense_firewall_status, opnsense_system_status_code

Auto-generated reference

The Complete Reference page is auto-generated from the exporter source code by a docgen tool. It is always up to date with the latest release.