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Nmap: Network Exploration and Security Auditing Cookbook

You're reading from   Nmap: Network Exploration and Security Auditing Cookbook Network discovery and security scanning at your fingertips

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Product type Paperback
Published in May 2017
Publisher
ISBN-13 9781786467454
Length 416 pages
Edition 2nd Edition
Languages
Tools
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Author (1):
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Paulino Calderon Paulino Calderon
Author Profile Icon Paulino Calderon
Paulino Calderon
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Table of Contents (18) Chapters Close

Preface 1. Nmap Fundamentals FREE CHAPTER 2. Network Exploration 3. Reconnaissance Tasks 4. Scanning Web Servers 5. Scanning Databases 6. Scanning Mail Servers 7. Scanning Windows Systems 8. Scanning ICS SCADA Systems 9. Optimizing Scans 10. Generating Scan Reports 11. Writing Your Own NSE Scripts 12. HTTP, HTTP Pipelining, and Web Crawling Configuration Options 13. Brute Force Password Auditing Options 14. NSE Debugging 15. Additional Output Options 16. Introduction to Lua 17. References and Additional Reading

Discovering hosts with ARP ping scans


ARP ping scans are the most effective way of detecting hosts in LAN networks. This makes them the preferred technique when scanning local Ethernet networks, and Nmap will use it even if other ping options were specified. Nmap uses 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 -sn -PR <target>

You should see the list of hosts that responded to the ARP requests:

# nmap -sn -PR 192.168.0.1/24 
   Nmap scan report for 192.168.0.1 
   Host is up (0.0039s latency). 
   MAC Address: F4:B7:E2:0A:DA:18 (Hon Hai Precision Ind.) 
   Nmap scan report for 192.168.0.2 
   Host is up (0.0037s latency). 
   MAC Address: 00:18:F5:0F:AD:01 (Shenzhen Streaming Video Technology    
   Company Limited) 
   Nmap scan report for 192.168.0.3 
   Host is up (0.00010s latency). 
  ...
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