RE: Nmap on x64 Vista?

["Rob Nicholls" <robert () everythingeverything co uk>]

Hi David,

It was a fairly clean install of 2008, no existing WinPcap files were
present. I then installed Nmap 4.60 off the Nmap website and made sure that
Nmap's 4.0.2 was selected. I didn't reboot after installing Nmap's 4.0.2;
but I've now tried reinstalling and rebooting and I still get the same
"dnet: Failed to open device eth6" error that I got before.

The only way I appear to be able to get it to work is to install the
official WinPcap (which then works immediately, no restart required).


Rob

-----Original Message-----
From: David Fifield [mailto:david () bamsoftware com] 
Sent: 22 March 2008 15:28
To: Rob Nicholls
Cc: 'Fyodor'; 'Kris Katterjohn'; nmap-dev () insecure org
Subject: Re: Nmap on x64 Vista?

On Sat, Mar 22, 2008 at 02:31:08PM -0000, Rob Nicholls wrote:
> I just tried my VM of Windows 2008 x64 using the WinPcap files that are
part
> of Nmap and I got the familiar dnet error that suggests WinPcap hasn't
been
> properly installed (the Admin account in 2008 doesn't suffer from UAC,
> thanks to a lovely group policy setting, so it's definitely not the
> privilege problem that causes the same generic error message).

Right, it's possible that what you're seeing is the same "Failed to
open" error folks have reported on Windows XP. We're trying to solve
that one, and see if it can be fixed with a reboot.

> I force installed the official WinPcap 4.0.2 over the top and the scan
> appears to work now (didn't even have to close Zenmap hehe). This does
> suggest to me that something isn't right with Nmap's WinPcap installer. I
> think that it's the same Vista packet.dll and npf.sys files, I'm not
> entirely sure offhand why the Nmap installer doesn't work. Perhaps
Gianluca
> can beat me to the reason why. 

Hi, Rob. I have some questions. Did you have any other version of
WinPcap installed before installing Nmap's 4.0.2? Did you reboot after
installing Nmap's 4.0.2? If not, can you try reinstalling Nmap's 4.0.2
(so it doesn't work), and then rebooting?

David Fifield


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