Logs and Audit Logs and Audit Field Value Distribution BSS — OpenSOF Product OpenSOF Release 0.15.1 Deployment opensof.bss.dev Source /srv/bss/releases/OpenSOF-v0.15.0-20app Evidence Operational logging standard Source fingerprint cda583b42f2a0d296b268ab5b174932a378c8be6fb52ffa1af14af896e990f6e Status Generated baseline — human review required Verification boundary: This page combines platform design guidance with static evidence from the release. It does not prove that every detected interface is enabled, reachable, secure, or operational in the deployed environment. Log sources Source Typical command/location Use systemd/journald journalctl -u --since ... Process lifecycle, stdout/stderr and service errors. Nginx /var/log/nginx/access.log, /var/log/nginx/error.log Routing, status, latency, upstream and TLS symptoms. Application Structured logs or configured log directory Domain events, validation, dependency calls and workflow state. Audit Protected append/central audit store Actor, action, target, policy decision, result and correlation. Sensor/edge Device/agent logs and telemetry Connection, clock, calibration, sample loss and product generation. Required structured fields UTC timestamp plus source clock/host. Severity, service/component, release version and instance. Request/event/task/track/case correlation identifier. Authenticated actor or service identity when applicable. Outcome/error code and safe diagnostic context. Do not log Passwords, API token secrets, private keys, complete authorization headers or session cookies. Sensitive content unless the approved audit/evidence policy explicitly requires and protects it. Unbounded raw sensor/media streams in ordinary application logs. Maintainer Notes Add human-reviewed deployment notes, corrections, decisions, screenshots, and links here. Content outside the generated block is preserved on future runs.