in a word....no
>From: Ron DuFresne <[EMAIL PROTECTED]>
>To: Truman Boyes <[EMAIL PROTECTED]>
>CC: Jacques Rautenbach <[EMAIL PROTECTED]>, [EMAIL PROTECTED]
>Subject: Re: TRaffic costing
>Date: Thu, 19 Oct 2000 16:38:30 -0500 (CDT)
>
>
>My question here is:
>
>Does a count of packets accuratly describe the ammount of bandwidth
>consumed by a particular address?
>
>Thanks,
>
>Ron DuFresne
>
>On Wed, 18 Oct 2000, Truman Boyes wrote:
>
> > On Wed, 18 Oct 2000, Jacques Rautenbach wrote:
> >
> > > Hi All,
> > > I am looking for a script that will work out the amount of traffic IP
> > > adress's behind a gauntlet firewall on a Linux platform pull of the
> > > internet. Preferably it should be accessed through a web interface and
>can
> > > be adjsuted to reflect values over certain periods such as 24 hours,
> > > monthly, yearly etc. The point being to finger out individual IP's
>that are
> > > abusing bandwidth as we in SA pay huge amounts of money for bandwidth.
>I
> > > have seen an interface like this before that had a "top 20" for the
>day and
> > > then the history of each IP but I am unable to find it.
> > >
> > > Any help would be greatly appreciated.
> > >
> > > Regards
> >
> > You can easily do this with Sniffer Pro. There is a way to monitor up to
> > 500 hosts, and the statistics (packets in/out) from each. I am sure with
> > some nicely tuned scripts, you can do the same with tcpdump or ethereal.
> >
> > I have done this with Sniffer Pro, then exported the data as a comma
> > seperated file. CSV files can be imported into Excel, where you can
>write
> > some functions to SUM the data.
> >
> > If you have a mostly cisco network, you can setup NetFlow accounting. I
> > have setup this up with a SUN Ultra5 doing the NetFlow Collection. This
>is
> > very scalable and is probably the best bet for the long term.
> >
> > You might want to also look into using an application proxy where you
>can
> > track each IP and how much data they retrieved.
> >
> > .truman.
> >
> >
> > -
> > [To unsubscribe, send mail to [EMAIL PROTECTED] with
> > "unsubscribe firewalls" in the body of the message.]
> >
>
>~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>"Cutting the space budget really restores my faith in humanity. It
>eliminates dreams, goals, and ideals and lets us get straight to the
>business of hate, debauchery, and self-annihilation." -- Johnny Hart
> ***testing, only testing, and damn good at it too!***
>
>OK, so you're a Ph.D. Just don't touch anything.
>
>-
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