“If you don't have a NetFlow solution, get one. You'll wonder how you ever did your job without it.” Reddit · r/networking · 5 years ago NetFlow Tool Benefits Common Criticisms Visibility
| Tool | Type | Best for | Cost | |------|------|----------|------| | | Software probe + collector | High-performance flow export & analysis | Commercial + free limited | | ntopng | Web GUI + collector | Self-contained flow monitoring & alerts | Free (Community) / Pro | | Elastiflow | Logstash pipeline + Kibana | Large-scale, on Elastic stack | Open-source (legacy v3) / Commercial (v4) | | Scrutinizer (Plixer) | Appliance/VM | Enterprise, security & forensics | Freemium (limited flows) | | PRTG | Windows-based | All-in-one monitoring (includes NetFlow) | Paid (free up to 100 sensors) | | nfsen (with nfdump) | CLI + web | Lightweight, historical storage | Free, open-source | | FastNetMon | Software | DDoS detection (high PPS) | Free community, paid support | netflow tool
Does , so it's not for deep packet inspection. Performance Lightweight and can run 24/7 across an entire network. “If you don't have a NetFlow solution, get one