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Re: Nmap oprions
From: Jacob Bresciani <jacob () bresciani ca>
Date: Mon, 27 Jun 2005 08:41:04 -0700

much better then mine, 
-B, didn't know that switch. This will help me in a number of cases
thanks.

:)

On Fri, 2005-06-24 at 16:14 -0400, Hecber Cordova wrote:
      Hi,

      Try this:

      nmap -p21 <net> | grep -B 2 open

      Now, if you want only IP address, may be this can help:

      nmap -p21 <net> | grep -B 2 open | perl -ne 'if (/(\d+.\d+.\d+.\d+)/)
{ print "$1 \n" };'
      


      Regards,

      Hécber Córdova

El jue, 23-06-2005 a las 10:43 -0700, Juan B escribió:
HI,

I need to scan my big network for port 21 on many
hosts.

I want that nmap will show me just the hosts which the
port found open. I know that I can do this with grep
but im not sure about the syntex.

can some one please help.

thanks.

J

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