!!top!! Free Netflow Software
The "best" free NetFlow software is not a single product, but rather an architecture chosen based on whether the organization prioritizes ease of setup (PRTG/ntopng) or long-term data retention and customization (ELK/Grafana).
Keep in mind that the specific features and capabilities of free NetFlow software can vary widely, so it's essential to evaluate each tool to determine which one best meets your needs. free netflow software
| Feature | nfdump+NfSen | Elastiflow (CE) | pmacct | Softflowd | |------------------------|--------------|------------------|---------------|---------------| | | v5/v9/IPFIX/sFlow | v5/v9/IPFIX/sFlow | v5/v9/IPFIX/sFlow | v5/v9 | | Web UI | Yes (NfSen) | Yes (Kibana) | No (external) | N/A (exporter)| | Database backend | Flat files | Elasticsearch | SQL/ClickHouse| None | | Alerting | Basic (scripts) | Yes (Elastalert) | Yes (scripts) | No | | Max flows/sec (approx) | 50k | 100k+ (with tuning) | 150k+ | ~5k (export only) | | Active maintenance | Yes | Yes (community) | Yes | No | | Resource use | Low | High (needs ES) | Medium | Very low | The "best" free NetFlow software is not a
October 26, 2023 Subject: A Comparative Analysis of Open-Source and Free-Tier NetFlow Tools for Network Visibility free netflow software