Re: cannot scan

[David Fifield <david () bamsoftware com>]

On Sun, Oct 19, 2008 at 08:17:11PM -0600, David Fifield wrote:
> On Sun, Oct 19, 2008 at 09:44:34PM -0400, Verde Denim wrote:
> > I sent a message to the list earlier regarding this, but am not sure it went
> > through. Please excuse if it is already in circulation
> > I am trying to learn to use nmap.
> > I have installed nmap/zenmap (latest version for win) with winpcap
> > when I run any scans I have to use the --unprivileged option since I am
> > running with a wireless card which uses ppp0
> > All scans return the same error
> >
> > sample scan:
> > nmap -T4 --version-light -sV -F -O c--unprivileged scan.target.com
> >
> > constant error output (regardless of target)
> > TCP/IP fingerprinting (for OS scan) requires that WinPcap version 3.1 or
> > higher and iphlpapi.dll be installed.
> > You seem to be missing one or both of these.  Winpcap is available from
> > http://www.winpcap.org.  iphlpapi.dll
> > comes with Win98 and later operating sytems and NT 4.0 with SP4 or greater.
> >
> > For previous windows versions, you may be able to take iphlpapi.dll from
> > another system and place it in your
> > system32 dir (e.g. c:\windows\system32).
>
> The error message is misleading. It really should say "TCP/IP
> fingerprinting (for OS scan) requires raw packets" or something like
> that. The error message is assuming that the only way you could fail to
> have "root privileges" (in terms of raw packet sending) on Windows is
> that WinPcap is not installed. However you have shown that it can also
> be caused by the use of --unprivileged.

I fixed the error reporting so Nmap doesn't claim you're missing WinPcap
when you really just used --unprivileged.

David Fifield

_______________________________________________
Sent through the nmap-dev mailing list
http://cgi.insecure.org/mailman/listinfo/nmap-dev
Archived at http://SecLists.Org