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RE: Nmap oprions
From: "Jeff Gercken" <JeffG () kizan com>
Date: Sun, 26 Jun 2005 19:00:56 -0400

Nmap -sT -p 21 -P0 --max_rtt_timeout 80 | grep -B2 open

-----Original Message-----
From: Juan B [mailto:juanbabi () yahoo com] 
Sent: Thursday, June 23, 2005 1:44 PM
To: security-basics () securityfocus com
Subject: Nmap oprions


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.



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