November 2012
Intermediate to advanced
318 pages
6h 36m
English
Content preview from Nmap 6: Network Exploration and Security Auditing CookbookBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Discovering hosts with ARP ping scans
Ping scans are used by penetration testers and system administrators to determine if hosts are online. ARP ping scans are the most effective wayof detecting hosts in LAN networks.
Nmap really shines by using its own algorithm to optimize this scanning technique. The following recipe goes through the process of launching an ARP ping scan and its available options.
How to do it...
Open your favorite terminal and enter the following command:
# nmap -sP -PR 192.168.1.1/24
You should see the list of hosts that responded to the ARP requests:
# nmap -sP -PR 192.168.1.1/24 Nmap scan report for 192.168.1.102 Host is up. Nmap scan report for 192.168.1.103 Host is up (0.0066s latency). MAC Address: 00:16:6F:7E:E0:B6 ...
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.