Re: nmap errors on *BSDs (noted on NetBSD and MacOSX, so far) (traceroute)

[David Fifield <david () bamsoftware com>]

On Tue, Mar 23, 2010 at 09:18:02PM +0100, Fredrik Pettai wrote:
> Yes, why not. I not more helpful to get a portscan then you asked for a 
> traceroute, rather the opposite:
>
> $ nmap --traceroute ping.sunet.se
>
> Starting Nmap 5.21 ( http://nmap.org ) at 2010-03-23 21:11 CET
> Warning: Traceroute does not support idle or connect scan, disabling...
> Nmap scan report for ping.sunet.se (192.36.125.18)
> Host is up (0.00025s latency).
> Not shown: 995 closed ports
> PORT      STATE SERVICE
> 22/tcp    open  ssh
> 25/tcp    open  smtp
> 5666/tcp  open  nrpe
> 13782/tcp open  netbackup
> 13783/tcp open  netbackup

You should be aware that even if you run the above command as root (so
the traceroute works), you will still get a port scan in addition to the
traceroute. To turn off the port scan you have to use the -sn option.
Each of the scan phases can be activated and deactivated individually.

David Fifield
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