Articles about network security monitoring, traffic analytics, setting up measurement, techniques for scaling, threat hunting tips, etc.
Tunneling Netflow to a remote Trisul involves preserving the original IP address of the switch/router. We describe three methods to achieve it, NAT, GRE, and Shim Tunnels.
In this three part series, we explain techniques and show how to analyze the 2018 WRCCDC PCAP dump using TrisulNSM. We appreciate the kind folks at WRCCDC for making this publicly accessible.