ng_netflow

Hello, I am setting up a FreeBSD server to act as a router/firewall for an ISP that is experiencing a DDoS attack. All services are up and running smoothly, but now I need to configure a flow packet exporter for an attack detector to monitor link turnovers and take real-time protection...

Hi all I`m trying to monitor the traffic of the firewall using netflow following the steps on the below article https://forums.freebsd.org/threads/howto-monitor-network-traffic-with-netflow-nfdump-nfsen-on-freebsd.49724/ everything works fine ,however everytime i add lagg0 by entering this...

I am running FreeBSD as a router at home. It has the following interfaces: igb0: connected to my cable modem igb1: wired LAN 192.168.0.1/24 wlan0: wlan AP, 192.168.1.1/24 Routing rules allow the wired and wireless subnets to communicate with each other and route to the Internet. I'm currently...

I need MAC addresses (IN_SRC_MAC and OUT_DST_MAC fields) in NetFlow v9 exports. Has there been a change since this post from year 2013? Packet capture of sent Netflow template: Cisco NetFlow/IPFIX Version: 9 Count: 23 SysUptime: 1117945.000000000 seconds Timestamp: Jun 28, 2017...