identifying application type of network traffic

[Joe Shen <joe_hznm () yahoo com sg>]

Hi,


 I'm trying to identify applications which generate
those traffic on our border routers. I use sampled
netflow as data source and some flow-tools as
analizer. 

Currently, I use (protocol, port_number) as indicator
of application. Referring to rfc on wellknown protocol
and port allocation, I can only identity about 50% of
traffic type.

Is there a complete  (protocol, port_number) list ? or
is there a better way to identify application type
based on netflow data?


regards

Joe



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