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Monitor incoming TCP/UDP flood attack and graph it

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linux-howto

http://serverfault.com – I'm preparing a presentation on a security issue and want to include a demonstration. It won't be in real time, I just need to show some pictures of the results. I have some VPSes that will perform a tcp or udp flood attack simiultanesly on another specific server (Debian/Ubuntu), all of them owned by me of course. Something like a tiny scale DDoS attack. I want some suggestions for existing tools or new programs to be installed on the target server (Debian/Ubuntu server distro) that can monitor and produce traffic graphs and related charts so I can present the network state before and afte (HowTos)