[netflow-tools] Got the report with netflow, pfflowd and flow-tools - need some basic information.

Cristian KLEIN cristi at net.utcluj.ro
Mon Nov 19 09:56:56 EST 2007


Siju George wrote:
> Hi Friends,
> 
> I got pas till getting a report with netflow, pfflowd, flow-tools
> installed on my home desktop running OpenBSD 4.2/amd64.
> The flow was captured while updating the src from Beck's anoncvs
> server in UA Canada.
> Here is it if you don't believe me :-)
> 
> http://pastie.caboo.se/118111
> 
> Could somebody please point me to some resources where I can do some
> basic reading to understand what things like
> 
> 1) Flows
> 2) Ocetects
> 3) Packets ( I know that one )
> 4) and those distributions mean.
> 
> I mean I want to use this actually to find out how much of data passes
> from ( and to ) each computer inside my LAN secured by a OpenBSD
> NATing firewall so I can keep track of bandwidth usage of each
> computer.

Hi,

That data won't help you. You should capture your flows and use flow-tools to
make relevant statistics. For example:

flow-cat * | flow-stat -f 11


> 
> I mean some place where I can learn how to really interpret what is
> accumulating in my /var/log/netflow from 'flow-capture'?
> 
> Thank you so much
> 
> kind Regards
> 
> Siju
> _______________________________________________
> netflow-tools mailing list
> netflow-tools at mindrot.org
> https://lists.mindrot.org/mailman/listinfo/netflow-tools


-- 
+-------------------------------------+
| Cristian KLEIN                      |
| Network Engineer                    |
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| Technical University of Cluj-Napoca |
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