Re: scanning Mac OS X with nmap

[David Fifield <david () bamsoftware com>]

On Wed, Sep 28, 2011 at 11:56:36AM +0300, Asli Koksal wrote:
> Hello all,
>
> I am trying to scan a Mac OS X 10.7.1 machine. When I run nmap as normal
> user it gives me the output as below:
> nmap -PN 10.0.0.11
> Starting Nmap 5.21 ( http://nmap.org ) at 2011-09-28 11:52 EEST
> Nmap scan report for 10.0.0.11
> Host is up (0.035s latency).
> Not shown: 99 closed ports
> PORT     STATE    SERVICE
> 1720/tcp filtered H.323/Q.931
> Nmap done: 1 IP address (1 host up) scanned in 1.69 seconds
>
> But the same machine I try the same command as su, it gives no results:
> sudo nmap -PN --osscan-guess -F 10.0.0.11
> Starting Nmap 5.21 ( http://nmap.org ) at 2011-09-28 11:53 EEST
> Nmap done: 1 IP address (0 hosts up) scanned in 0.35 seconds
>
> What can be the problem?

What happens if you run with su using the option --send-ip? What about
both --send-ip and -Pn?

Use --packet-trace to see the difference between two scans.

David Fifield
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