Re: [Cflowd] Raw Files and Rules

From: Hendrik Visage (hvisage@envisage.co.za)
Date: Tue Jun 04 2002 - 03:42:59 PDT

  • Next message: Mark Fullmer: "Re: [Cflowd] Protocol analysis by Network"

    On Tue, Jun 04, 2002 at 11:25:50AM +0100, Goncalo Costa wrote:
    >
    > >> Hi All,
    > >>
    > >> I have cflowd and cfdcollect running fine but have decided that I want to
    > >> use the raw flow files and do some aggregation on my own.
    > >>
    > >> Problem is I'm not exactly sure how the flow files are used and what rules
    > >> to apply to them.
    > >>
    > >> From what I understand each file is overwritten as each one fills up on an
    > >> ongoing basis:
    > >>
    > >> flow.0 file may be the current flow file and when it reaches the limit
    > >> then flow.1 is used and so on until the last file flow.x is used and it
    > >> goes back and overwrites flow.0
    > >>
    > >> Is this correct or am I way off base?
    > >>
    >
    > If I remember correctly IP.flows.N files are rotated like this:
    > (fixed width font)
    >
    > T0 T1
    >
    > IP.flow.0 -+ IP.flow.0 *new file*
    > \
    > \
    > IP.flow.1 -+ +-> IP.flow.1
    > \
    > \
    > IP.flow.2 -+ +-> IP.flow.2
    > \
    > \
    > IP.flow.3 +-> IP.flow.3

    I have a patch to make it timestamped.

    >
    >
    > Goncalo
    >
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