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Network Security Security-Basics
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RE: Nmap oprions

Subject: RE: Nmap oprions
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

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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