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  • Book Overview & Buying NMAP Essentials
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NMAP Essentials

NMAP Essentials

By : David Shaw
4 (1)
Buy this Book
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NMAP Essentials

NMAP Essentials

4 (1)
By: David Shaw
Buy this Book

Overview of this book

This book is for beginners who wish to start using Nmap, who have experience as a system administrator or of network engineering, and who wish to get started with Nmap.
Table of Contents (12 chapters)
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Preface
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Preface
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What this book covers
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What you need for this book
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Who this book is for
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Conventions
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Reader feedback
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Customer support
Lock Free Chapter
1
1. Introduction to Nmap
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1. Introduction to Nmap
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Nmap's humble beginnings
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The many uses of Nmap
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Installing Nmap
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Building Nmap from source
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Summary
2
2. Network Fundamentals
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2. Network Fundamentals
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The structure of the Internet
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The OSI model
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Port scanning
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TCP and UDP
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Service banners
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Summary
3
3. Nmap Basics
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3. Nmap Basics
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How to choose a target
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Running a default scan
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Service version scans
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Logging scans
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Specified scan ranges
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Understanding the reason flag
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Summary
4
4. Advanced Nmap Scans
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4. Advanced Nmap Scans
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Host detection methods
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Running a ping agnostic scan
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Scanning UDP services
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Special TCP scans
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Operating system detection
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Increasing verbosity in scans
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Packet tracing
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Summary
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5. Performance Optimization
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5. Performance Optimization
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Nmap timing optimization
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Customized host group sizes
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Increasing and decreasing parallelism
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Dealing with stuck hosts
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Delaying and increasing probe rates
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Summary
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6. Introduction to the Nmap Scripting Engine
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6. Introduction to the Nmap Scripting Engine
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The history of the NSE
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The inner working of the NSE
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Finding Nmap scripts
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Running Nmap scripts
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Summary
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7. Writing Nmap Scripts
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7. Writing Nmap Scripts
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Anatomy of an Nmap script
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Defining an Nmap script – script headers
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Triggering functions – the rule
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Defining a script's action
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Summary
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8. Additional Nmap Tools
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8. Additional Nmap Tools
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Attacking services with Ncrack
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Host detection with Nping
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File transfers and backdoors with Ncat
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Comparing Nmap results with Ndiff
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Summary
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9. Vulnerability Assessments and Tools
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9. Vulnerability Assessments and Tools
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Conducting vulnerability scans with Nessus
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Assessing web server issues with Nikto
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Identifying sensitive web directories with DirBuster
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Getting started with intercepting proxies
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Summary
10
10. Penetration Testing with Metasploit
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10. Penetration Testing with Metasploit
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Installing Metasploit
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Scanning with Metasploit
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Attacking services with Metasploit
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What to learn next
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Summary
11
Index
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Index

Finding Nmap scripts

Many Nmap scripts come with Nmap, and are already prepackaged on your system. Still, though, it can be difficult to determine which scripts you'd like to run for each particular scan—or assessment—that you may be on. Fortunately, the NSE documentation portal is one of the most in-depth and well-documented aspects of the entire Nmap project.

Note

By going to http://nmap.org/nsedoc/, you can see all of the scripts that are part of the official Nmap script repository.

The preceding screenshot shows the Nmap Scripting Engine Documentation (NSEDoc) reference portal web page, as well as all the official Nmap scripts at the time of writing this book. Each script has a small paragraph next to its name, which gives a brief description of what it is designed to do. At the time of writing, there are 490 and 113 Nmap scripts that are part of the official documentation—that's quite a lot you can do with the NSE!

These scripts are broken down into several categories, each with their...

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