From owner-freebsd-isp  Wed Apr  3  9:33:17 2002
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Date: Wed, 03 Apr 2002 12:04:10 -0500
To: dec2 <dec2@inetu.net>
From: Blake Crosby <dev@samurai.com>
Subject: Re: Actual bandwidth used vs. statistics reports - customer
  explaination
Cc: freebsd-isp@freebsd.org
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Could it also be FTP/mail traffic?

I think also web logs dont take into account the headers that the web 
server sends as well. Although not a lot of data, I can see it adding up.

Blake

At 11:50 AM 4/3/2002 -0500, dec2 wrote:

>I had a quick question for ISP's and Web Hosting Companies out there.
>
>We give our hosting customers free access to web reports (Through say
>webalizer).
>
>We measure customer bandwidth usage for unique IP address customers
>through IPFW - which counts all data for their IP address.
>
>Does anyone have good ways to explain to customers why actual bandwidth
>used can vary greatly from web reports? Sometimes with reports only
>reporting on 50% of actual bandwidth used?
>
>We have tried to explain overhead, real audio files being excluded, etc.
>However - I think at this point - it might be beneficial to point the
>customer to 3rd party information.
>
>Anyone able to offer any help?
>
>Thanks in advance...
>
>-Dev
>
>
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