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Re: nmap --open shows closed too...
From: Kris Katterjohn <katterjohn () gmail com>
Date: Thu, 13 Dec 2007 15:42:17 -0600

Axel Werner wrote:
hi there..

i gut suse 10.2 with latest nmap 4.50 (ISO date 2007-12-13). nmap 
works.. but if i try to view only hosts with open ports (nmap --open -v 
10.0.0.0/24 -p 5900) it does not show ONLY open ports, but shows ALL 
scanned hosts with with CLOSED Ports too. thats not what i do expect if 
the manual says "show only open ports using --open"

pls check yourself.

greets
Axel


I cannot reproduce this.  I tried:

$ sudo nmap -v --open -p75-85 192.168.1.0/24

I also tried with -d instead of -v, only using a known closed port (85) 
for all hosts, and only scanning one host, but --open worked fine for 
every combination of these.  Maybe SuSe applies patches to packages, and 
somehow that's what messed it up?

Thanks,
Kris Katterjohn

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