[LARTC] Bandwidth Metering

[LARTC] Bandwidth Metering

[Patrick Coleman]

Hi,
How do you meter the amount of bandwidth a user has consumed (as
webhosting companies do) under linux? I have searched everywhere, but
have been unable to find a solution. Apologies if this is the wrong
forum.
Thanks,
Patrick
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Re: [LARTC] Bandwidth Metering

[Daniel Frederiksen]

Hello Patrick

I personally use ipfm (http://freshmeat.net/projects/ipfm/) to do the
traffic logging, and then I got a home brewed perl script running in
cron every 5 min. to parse the accumulated data and create/update a RRD
(http://people.ee.ethz.ch/~oetiker/webtools/rrdtool/) base for each
host. When you got the RRD bases you can output a nice graph on-the-fly
from you webserver or run the graphing procedure from cron. If you like
I could send you the ipfm config and the perl script.

There might be other "projects" to look at, like ntop and etc. Try
searching for it on freshmeat.net.

Note: This solution is primarily for general host traffic accumulation
based on a subnet. The stats are collected via libpcap and can be done
in promiscuous mode. This is not for website stats, for that you need to
parse your webserver log files. But I guess you already know that.  

Daniel Frederiksen, Cyberdoc.dk

On Tue, 2004-09-28 at 15:53, Patrick Coleman wrote:
> Hi,
> How do you meter the amount of bandwidth a user has consumed (as
> webhosting companies do) under linux? I have searched everywhere, but
> have been unable to find a solution. Apologies if this is the wrong
> forum.
> Thanks,
> Patrick
> _______________________________________________
> LARTC mailing list / LARTC@mailman.ds9a.nl
> http://mailman.ds9a.nl/mailman/listinfo/lartc HOWTO: http://lartc.org/

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Re: [LARTC] Bandwidth Metering

[Tomasz Chilinski]

On Tue, 28 Sep 2004 16:17:00 +0200, Daniel Frederiksen wrote
> Note: This solution is primarily for general host traffic 
> accumulation based on a subnet. The stats are collected via libpcap 
> and can be done in promiscuous mode. This is not for website stats,
>  for that you need to parse your webserver log files. But I guess 
> you already know that.

This is not good solution cause of high load where you account many nets
and/or hosts. In my opinion ACCOUNT/account from netfilter.org
patch-o-matic-ng are the best solutions for mass accounting.

Bests,
Tomasz Chilinski

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Re: [LARTC] Bandwidth Metering

[Daniel Frederiksen]

On Tue, 2004-09-28 at 16:25, Tomasz Chilinski wrote:
> This is not good solution cause of high load where you account many
nets
> and/or hosts. In my opinion ACCOUNT/account from netfilter.org
> patch-o-matic-ng are the best solutions for mass accounting.
> 
> Bests,
> Tomasz Chilinski

Perhaps your right, but I use it on a bridge in front of a complete
subnet, so at the time the easiest sollution was to log via libpcap.
Of course it depends on how many hosts/subnets you are logging and the
available CPU for it. My suggestion might be an easier sollution for
Patrick, in that he does not need to patch his kernel and iptables for
it, if his distro does not have ACCOUNT/account build in.

Daniel Frederiksen, Cyberdoc.dk

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