Same answer - no raw packet data.  Nothing to drive fingerprinting.
 
-----Burton


From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Chris Beck
Sent: Monday, March 21, 2005 2:14 PM
To: [email protected]
Subject: RE: [Ntop] NTOP and NetFlow

One other question that I forgot to include:
 
Not a single host fingerprint is determined using NetFlow, but with libpcap, I got at least those hosts that were local to the monitoring interface. Is this determined via layer 2 info?
 
Thanks,
Chris


From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Chris Beck
Sent: Monday, March 21, 2005 12:10 PM
To: [email protected]
Subject: [Ntop] NTOP and NetFlow

I know the NetFlow is a sore subject lately. I just have a couple questions/observations now that I've switched from using libpcap to NetFlows.
 
1. Is all layer 2 information ignored with respect to the IP flows? I no longer get the MAC addresses of the machines that I have the traffic stats for. I'm figuring this is the case since the NetFlow is layer 3 info, but just thought I'd bounce it off of the list.
 
2. Is NetBIOS name resolution not used when using NetFlow? I've noticed that I only have names resolved for those nodes that have DNS entries. Why would this get lost? Am I missing something?
 
I have done a bit of poking around, so forgive me if it's been covered. If it has, just kick me in the right direction please.
 
-Chris
 
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