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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Scanning an IP address range
Very often, penetration testers and system administrators need to scan not a single machine but a range of hosts. Nmap supports IP address ranges in different formats, and it is essential that we know how to deal with them.
This recipe explains how to work with IP address ranges when scanning with Nmap.
How to do it...
Open your terminal and enter the following command:
# nmap -A -O 192.168.1.0-255
Alternatively you can use any of the following notations:
# nmap -A -O 192.168.1/24 # nmap -A -O 192.168.1.1 192.168.1.2 ... 192.168.1.254 192.168.1.255
How it works...
Nmap supports several target formats. The most common type is when we specify the target's IP or host, but it also supports the reading of targets from files, ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
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.