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RE: nmap sending encapsulated packets
From: "Mike Lude" <mlude () pacbell net>
Date: Thu, 03 Apr 2008 10:42:36 -0700

The only nmap.* files I have are in the nmap installation directory.

Yes, I chose to also install WinPCap. During installation I recall 
that the nmap installation paused while the winpcap install ran. It 
ended up leaving winpcap-nmap-4.02.exe (that's the install file) in 
my ncap directory, but I downloaded it from the winpcap site anyhow 
before re-installing.

/Mike 

On 3 Apr 2008 at 17:51, Rob Nicholls wrote:

From:                   "Rob Nicholls" <robert () everythingeverything co uk>
To:                     <mlude () pacbell net>, <nmap-dev () insecure org>
Subject:                RE: nmap sending encapsulated packets
Date sent:              Thu, 3 Apr 2008 17:51:31 +0100

IIRC running "nmap" from the command line might be a bit misleading,
as I think when I last took a quick look at the zenmap code a while
back it appeared (to my very rusty Python eyes) that it was searching
a hardcoded list of paths (for "nmap"; not "nmap.exe"), rather than
honouring (I'm British :P) the system or user's PATH settings in
Windows. You could perhaps try searching for nmap.* on your system,
just to make sure?

I'm surprised that running "nmap -V" in zenmap causes problems, as all
nmap is doing is printing the version and exiting (which appears to
work fine for you at the command line), and all zenmap is doing is
displaying nmap's output.

The encapsulated packets thing still sounds weird though.

Did you select WinPcap 4.02 when you installed Nmap using the Windows
setup binary? If you didn't, that would explain why you had to install
it afterwards. If you did, that makes me wonder why it failed, as it
should install and work fine on XP SP2.


Rob


-----Original Message-----
From: Mike Lude [mailto:mlude () pacbell net] 
Sent: 03 April 2008 16:32
To: nmap-dev () insecure org
Subject: Re: nmap sending encapsulated packets

From the command shell:

C:\>nmap -V

Nmap version 4.60 ( http://insecure.org )

From zenmap I enter the same command and hit enter, it pops up a 
blank message box. When I close the message box after a few minutes I
get the windows "Application is not responding" message.

I'd be surprised if there were an old version of nmap on this 
machine, though.

I get the same bogus encapsulation running nmap from the command
shell. Doesn't seem like it's zenmap related.

/Mike


On 2 Apr 2008 at 20:53, David Fifield wrote:

Date sent:            Wed, 2 Apr 2008 20:53:43 -0600
From:                 David Fifield <david () bamsoftware com>
To:                   nmap-dev () insecure org
Subject:              Re: nmap sending encapsulated packets

On Wed, Apr 02, 2008 at 06:52:25PM -0700, Mike Lude wrote:
Actually, I just fired up zenmap and took one of its canned scans
("operating system detection"), but just about everything I try
ends up sending these encapsulated packets. I don't think that
it's anything special that I'm doing.

Maybe you have an old copy of the nmap executable somewhere. What do
you see if you run "nmap -V" in a command shell? What do you see
when you type "nmap -V" in the command line in Zenmap and press
enter?

David

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