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Nmap 6: Network Exploration and Security Auditing Cookbook

You're reading from  Nmap 6: Network Exploration and Security Auditing Cookbook

Product type Book
Published in Nov 2012
Publisher Packt
ISBN-13 9781849517485
Pages 318 pages
Edition 1st Edition
Languages
Concepts
Toc

Table of Contents (18) Chapters close

Nmap 6: Network Exploration and Security Auditing Cookbook
Credits
About the Author
Acknowledgement
About the Reviewers
www.PacktPub.com
Preface
1. Nmap Fundamentals 2. Network Exploration 3. Gathering Additional Host Information 4. Auditing Web Servers 5. Auditing Databases 6. Auditing Mail Servers 7. Scanning Large Networks 8. Generating Scan Reports 9. Writing Your Own NSE Scripts References
Index

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 (Intel) 
Nmap scan report for 192.168.1.254 
Host is up (0.0039s latency). 
MAC Address: 5C:4C:A9:F2:DC:7C (Huawei Device Co.) 
Nmap done: 256 IP addresses (3 hosts up) scanned in 14.94 seconds 

How it works...

The arguments -sP -PR 192.168.1...

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