Hi!

Under the spell of the recent undeadly article about pflow(4) and stuff,
I started to fool around with nfsen and pflow a bit.
The setup was really easy... I had the nfsen web interface up and
running and displaying uninteresting graphs in no time. (I must say,
the system is a 5.4-stable).

But eventually, I wanted to see what kind of reports I can get from the
collected data using the command line. So I started to read about nfdump
and flow-tools' utilities.

1) Using nfdump seems pretty straightforward, but no matter how I try to
shape my output, I always get '1970-01-01 01:00:00.000' as "Date first
seen" time. Also, "Duration" is always 0.000 ... Any ideas why?

2) I tried to use the flow-tools utilities with the data captured by
nfcapd (from nfsen), but eg. flow-print and flow-report says:
 flow-print: ftiheader_read(): Warning, bad magic number
 flow-print: ftiheader_read(): failed
 flow-print: ftio_init(): failed
... when I try to open the nfcapd.* files.
Well, okay, but how can I use the captured data with flow-tools? Can I?


Thanks in advance for some insight :)


Daniel

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