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Monitoring

Logs​

FMD Server writes logs to stderr and to syslog.

To view the messages in syslog:

journalctl -t fmd-server
less /var/log/syslog | grep fmd-server

Metrics​

FMD Server exposes metrics that can be scraped by Prometheus. There is also a Grafana template.

By default, metrics are exposed on http://[::1]:9100/metrics. Using localhost is intentional, for security reasons.

Note that the metrics address/port is independent of the main server address/port. FMD Server can serve both independently of each other, including on separate addresses and ports.

You can change the metrics endpoint to a different address and port in the config.yml. For example, when running in a container you want to listen on a specific IP address or on all interfaces inside the container.