Calculate data transferred in a local LAN

Posted by ramdaz on Server Fault See other posts from Server Fault or by ramdaz
Published on 2012-06-03T04:14:15Z Indexed on 2012/06/03 4:42 UTC
Read the original article Hit count: 403

Filed under:

linux

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router

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gateway

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network-traffic

How do you calculate the data flown between a computer and the gateway computer. I have a Linux router/gateway running IP Tables which routes internet traffic in a LAN. I have individual users with IP/MAC Address mapped who access Interet through the gateway computer. I would like to find out the traffic utilized by individual users.

Is it possible for us to find out what kind of traffic was HTTP, SMTP, FTP etc. Is it also possible to pool the information on hourly basis, and get specific info so that I can store information in a database?

I have heard of IP Accounting? Is that the right way

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