Nmap Development: Re: Libtool, static libraries, and NSE modules

[David Fifield <david () bamsoftware com>]

On Mon, Oct 22, 2007 at 09:52:06PM -0500, Vijay Sankar wrote:
> I had the following problem on OpenBSD 4.1.
>
> nmap -sS -P0 -vv 192.168.10.5
>
> OR
>
> nmap -A -P0 -vv 192.168.10.5
>
> gives me:
>
> Starting Nmap 4.22SOC7 ( http://insecure.org ) at 2007-10-22 20:43 CDT
> Warning: File ./nmap-services exists, but Nmap is 
> using /usr/local/share/nmap/nmap-services for security and consistency 
> reasons.  set NMAPDIR=. to give priority to files in your local directory 
> (may affect the other data files too).
> Initiating ARP Ping Scan at 20:43
> Scanning 192.168.10.5 [1 port]
> Completed ARP Ping Scan at 20:43, 0.23s elapsed (1 total hosts)
> Read data files from: /usr/local/share/nmap
> Nmap done: 1 IP address (0 hosts up) scanned in 0.337 seconds
>            Raw packets sent: 2 (84B) | Rcvd: 0 (0B)
>
> However the following works
>
> nmap -sT -P0 -vv 192.168.10.5
Nmap does an ARP scan of directly connected Ethernet hosts even if -P0
is used. See http://insecure.org/nmap/man/man-host-discovery.html. But I
don't know why the ARP scan would fail when the connect scan works.
Please send the output of

nmap -sS -P0 -d2 --packet-trace 192.168.10.5

David Fifield

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