Hi Burton,

You are right , it is usually a small amount of traffic (less than few MBs
)that is shown as Kazaa / edoney, so basically in layman terms it means that
there is no actual Kazaa/Edoney traffic but rather a misinterpretation of port
#

regards
vivek

--- Burton Strauss <[EMAIL PROTECTED]> wrote:

> If you check the article in docs/FAQ, you will see that ntop uses the lower
> port # of the packet for classification.
> 
> Remember, part of the tcp/ip protocol involves a random port # - say you
> connect to x.y.com on port 80 - the return path uses a random port #.
> 
> This works great when one of the port #s (the lower #) is obvious.  But many
> protocols use two random port #s or have a high # as their 'well known #',
> and so ntop CAN be confused.  In some cases we do a deeper analysis on the
> packets (e.g. ftp), but not all.
> 
> Port #s are just #s.  You CAN use a port for anything, as long as the two
> sides (sender and receiver) agree.  That can lead to unexpected
> classification.  Some protocols do this deliberately, i.e. AOL uses a
> variety of port #s if the default, 5190, is blocked for any reason.
> 
> And so on.  This is usually a small amount of traffic.
> 
> -----Burton
> 
> 
> 
> -----Original Message-----
> From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of
> Vivek Kedia
> Sent: Wednesday, January 04, 2006 10:45 PM
> To: [email protected]
> Subject: Re: [Ntop] Why edonkey and Kazaa Traffic is coming
> 
> Hi All,
> 
> I am using NTOP to moniter around 50 PCs in my office and some of the days i
> see edonkey and Kazaa traffic on few of the workstations even though dont
> have any file sharing software installed on them , what can be the reason
> that ntop is seeing some of the data trf. as being from kazaa / edonkey, 
> 
> can it be a virus / ntop misreading the data transfer.
> 
> since the workstations keep on changing so i dont think that its a virus ,
> maybe ntop?
> 
> regards
> vivek
> 
> 
>               
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