[76561] in North American Network Operators' Group

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Re: identifying application type of network traffic

daemon@ATHENA.MIT.EDU (Suresh Ramasubramanian)
Thu Dec 16 04:54:58 2004

Date: Thu, 16 Dec 2004 15:24:30 +0530
From: Suresh Ramasubramanian <ops.lists@gmail.com>
Reply-To: Suresh Ramasubramanian <ops.lists@gmail.com>
To: Joe Shen <joe_hznm@yahoo.com.sg>
Cc: NANGO <nanog@merit.edu>
In-Reply-To: <20041216094149.57633.qmail@web53604.mail.yahoo.com>
Errors-To: owner-nanog-outgoing@merit.edu


On Thu, 16 Dec 2004 17:41:49 +0800 (CST), Joe Shen
<joe_hznm@yahoo.com.sg> wrote:
> 
> My situation is not to apply QoS policy to those
> application but to get statistics of applications.
> 
> According to netflow records, the traffic across our
> egress interface has port number range from 11 to
> 65534 ,  there is record for port 0!
> So, what are those applications ?
> 

Passive fingerprinting is about the only thing that's going to tell
you, without actually sniffing the traffic that you're seeing.

Could be anything at all.

-- 
Suresh Ramasubramanian (ops.lists@gmail.com)

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