Book Image

Nmap: Network Exploration and Security Auditing Cookbook - Second Edition

By : Paulino Calderon
Book Image

Nmap: Network Exploration and Security Auditing Cookbook - Second Edition

By: Paulino Calderon

Overview of this book

This is the second edition of ‘Nmap 6: Network Exploration and Security Auditing Cookbook’. A book aimed for anyone who wants to master Nmap and its scripting engine through practical tasks for system administrators and penetration testers. Besides introducing the most powerful features of Nmap and related tools, common security auditing tasks for local and remote networks, web applications, databases, mail servers, Microsoft Windows machines and even ICS SCADA systems are explained step by step with exact commands and argument explanations. The book starts with the basic usage of Nmap and related tools like Ncat, Ncrack, Ndiff and Zenmap. The Nmap Scripting Engine is thoroughly covered through security checks used commonly in real-life scenarios applied for different types of systems. New chapters for Microsoft Windows and ICS SCADA systems were added and every recipe was revised. This edition reflects the latest updates and hottest additions to the Nmap project to date. The book will also introduce you to Lua programming and NSE script development allowing you to extend further the power of Nmap.
Table of Contents (25 chapters)
Title Page
Credits
About the Author
Acknowledgments
About the Reviewer
www.PacktPub.com
Customer Feedback
Preface
13
Brute Force Password Auditing Options
17
References and Additional Reading

Performing IP address geolocation


Identifying the location of an IP address may help system administrators identify the origin of a network connection. Nmap ships with several NSE scripts that help us perform geolocation of a remote IP address: ip-geolocation-maxmind, ip-geolocation-ipinfodb, and ip-geolocation-geoplugin.

This recipe will show you how to set up and use the geolocation scripts included with Nmap NSE.

Getting ready

The ip-geolocation-maxmind script depends on a database that is not included in Nmap by default. Download Maxmind's GeoLite City database in binary format from http://dev.maxmind.com/geoip/legacy/geolite/ and place it in your local Nmap data folder (/nselib/data/) inside your installation directory.

The ip-geolocation-ipinfodb script requires an API key to query an external service. The service is free, and you only need to register at http://ipinfodb.com/register.php to get one. This service does not limit the number of queries, but connections are only processed from...