Re: Monitoring traffic volumes by country

From: dima (_pppp_at_mail.ru)
Date: 01/18/05

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    To: Andrew McNaughton <andrew@scoop.co.nz>
Date: Tue, 18 Jan 2005 12:36:15 +0300

    > Can anyone suggest a tool that can collect statistics on traffic volumes
    > by the country of the remote host. That on its own would go a long way
    > for me, but if it coulod also break down on incoming vs outgoing traffic
    > and by local port number that would be ideal.
    NetFlow is the "ideal" solution for you.
    The best solution for FreeBSD would be ng_netflow kernel module
    since all the other implementations (softflowd, fprobe, ntop etc)
    use pcap which is a quite CPU-consuming way.

    You can:
    1) force collector to aggregate traffic by source AS
       and find out autonomous system to country relation somehow;
    2) aggregate traffic by source IP and make the IP address to country resolution with GeoIP.

    >
    > I figure someone must have built something like this already, probably
    > using something along the lines of the GeoIP service to do IP -> country
    > code lookups.
    >
    > Any suggestions?
    >
    > Andrew McNaughton

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