Hello,
It's a simple nmap : 
Nmap -p 1688 a.b.c.d -PN

Loic Blot

Le 4 janv. 2013 à 12:14, "Peter N. M. Hansteen" <pe...@bsdly.net> a écrit :

> On Fri, Jan 04, 2013 at 12:09:10PM +0100, Lo?c Blot wrote:
>> Hello,
>> since OpenBSD 5.2 i have a problem with NMAP:
>> 
>> Starting Nmap 6.01 ( http://nmap.org ) at 2013-01-04 11:47 CET
>> route_dst_generic: Failed to obtain system routes: getsysroutes_dnet:
>> sysroutes_dnet_find_interfaces() failed
>> 
>> If i disable PF the problem isn't present.
>> 
>> Do you have an idea ?
> 
> Not really, but what were the exact nmap options used? What were your PF 
> rules?
> Any other relevant info?
> 
> running nmap -A pointed at a host in the local net here from a 
> somewhat-past-5.2 
> snapshot produces normal scan output, fwiw.
> 
> -- 
> Peter N. M. Hansteen, member of the first RFC 1149 implementation team
> http://bsdly.blogspot.com/ http://www.bsdly.net/ http://www.nuug.no/
> "Remember to set the evil bit on all malicious network traffic"
> delilah spamd[29949]: 85.152.224.147: disconnected after 42673 seconds.

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