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Re: Nmap 5.61TEST2 IPv6 OS Detection (Cherry Soeprapto)
From: Cherry Soeprapto <cierish () yahoo com>
Date: Thu, 22 Dec 2011 04:34:42 -0800 (PST)

Many thanks, David.
It's a lot easier with the tool. Is there any published tool to analyse the results from the script ipv6fp.py (also the 
.6fp) ?

I read those documentations too, but still don't quite understand yet, how the logistic regression with liblinear works.

I will submit all the results later. Scanning Windows XP SP3 with firewall seems still incorrect.

Thank you,

----- Original Message -----
From: David Fifield <david () bamsoftware com>
To: Cherry Soeprapto <cierish () yahoo com>
Cc: nmap-dev () insecure org
Sent: Friday, December 16, 2011 4:09 AM
Subject: Re: Nmap 5.61TEST2 IPv6 OS Detection (Cherry Soeprapto)

On Wed, Dec 14, 2011 at 07:11:52AM -0800, Cherry Soeprapto wrote:
I use an IPv6 router at lab and tunnels at home and it works perfectly.

Now, I'm trying to understand the TCP/IP - fingerprinting's result (through IPv6).
I read about the sample fingerprint and feature vector from the Mr. David Fifield here:

I tried to decode that fingerprinting: ( ? means that I'm not sure)

The fingerprints aren't meant to be parsed visually. I always use a tool
to do it.

$ svn co https://svn.nmap.org/nmap-exp/luis/ipv6tests
$ cd ipv6tests

Read the README to build the local liblinear. Then copy and paste the
fingerprint into this command:

$ ./nmap26fp.py | ./vectorize.py -s nmap.set

That will print out a list of features, which is the same as Nmap's
internal representation, which also correspond to the columns of the big
table in FPModel.cc.

If you look in vectorize.py, you can see how the packets are loaded and
you can print out different information.

A simple explanation about the one-dimensional feature vector and LIBLINEAR would be most acceptable :)

You should read


If you get unidentified or incorrect results, please submit the
fingerprints at http://nmap.org/submit/.

David Fifield
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