npm

zeek

Network security monitor that analyzes live traffic or pcap files

brewmacoslinux
Try with needOr install directly
Source

About

Network security monitor

Commands

zeekzeek-config

Examples

Monitor live traffic on eth0 network interface$ zeek -i eth0
Analyze a pcap file for network security events$ zeek -r capture.pcap
Run Zeek with custom scripts and generate logs$ zeek -r traffic.pcap local