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Re: Nmap oprions
From: Hecber Cordova <hecber () gmail com>
Date: Fri, 24 Jun 2005 16:14:05 -0400

        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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