Netflow Collector Open Source [new] -

The proprietary NetFlow analyzer they had budgeted for was still three months and fifty thousand dollars away. Elias couldn't wait. He needed to see the "Top Talkers" now. The Open Source Awakening

Zeek is an open-source network security monitor. While it is primarily a packet analyzer, it has robust capabilities for acting as a flow collector and generating metadata logs that are far richer than standard NetFlow. netflow collector open source

"We have a spike on the upstream to Frankfurt," Elias muttered, staring at a basic SNMP graph that showed a flat line at 100% capacity. "But I don't know who's doing it. Is it a DDoS? A backup job? A customer running a rogue BitTorrent node?" The proprietary NetFlow analyzer they had budgeted for