site_id: "${PROBER_SITE_ID}" control_api_url: "${PROBER_CONTROL_API_URL}" poll_interval_seconds: ${PROBER_POLL_INTERVAL_SECONDS} checks: tcp_timeout_seconds: ${PROBER_TCP_TIMEOUT_SECONDS} icmp_timeout_seconds: ${PROBER_ICMP_TIMEOUT_SECONDS} icmp_count: ${PROBER_ICMP_COUNT}