npm

fprobe

Capture and export network traffic flows in NetFlow format via libpcap

brewmacoslinux
Try with needOr install directly
Source

About

Libpcap-based NetFlow probe

Commands

fprobe

Examples

monitor network traffic on default interface$ fprobe -i eth0
send netflow data to remote collector$ fprobe -i eth0 -n 192.168.1.100:2055
capture traffic and filter by source IP$ fprobe -i eth0 'src net 10.0.0.0/8'
export network flows with custom timeout$ fprobe -i eth0 -t tcp=3600 -t udp=300 -n collector.example.com:2055
analyze traffic on specific port only$ fprobe -i eth0 'port 80 or port 443'