Wednesday, February 18, 2015

The Nmap 6 Cookbook is now available

Thanks to everyone who provided feedback on the 2010 version of the Nmap Cookbook (now renamed Nmap 5 Cookbook). The new and improved Nmap 6 Cookbook is now available at Amazon.

I took some time off from publishing, but I'm back. I'm working on an update to my Unix/Linux command line book, and also a new guide about VMware. Writing has been fun, but it hasn't been easy. Most people seem to like my "fat-free" writing style, based on the positive reviews I received. The hard part has been facing the negative criticism from the folks who didn't like it. I've taken the feedback from those critics and made many improvements with the Nmap 6 Cookbook.

I never intended to get rich or famous by writing. Luckily, neither of those things has happened to date. I've given away more books then I've sold, but I did have a good run on Amazon for a brief period a few years ago, and the extra beer money was much appreciated. I also haven't been sued, threatened, or hacked yet, which is encouraging.

I've had three major publishers offer me deals to rework the Nmap Cookbook into a "real" book, but I turned them all down. It seemed like too much pressure and I didn't want to sacrifice my fat-free approach just for the chance to make some "real" money. I do this for fun, and I do it for me and people like me who just need a jump-start (and can figure out the rest on their own).

Nmap is such an awesome and useful tool, and Nmap 6 builds on that with Nping and Ncat. I hope that this new version of my book helps lots of people out there discover the joys of network scanning with Nmap.

Thanks for reading. Enjoy free Kindle e-book downloads this week and many more in the future.

Note: Amazon limits me to 5 free promo days per a quarter, but I try to do a free download day at least once a month.

Tuesday, May 22, 2012

ATTN Kindle Readers: Free Update available

There is a free update available to the Nmap Cookbook Kindle version. This update resolves a problem with the table of contents. You can download the update from the Manage Your Kindle section of

Thanks for reading.

Thursday, December 29, 2011

Nmap Cookbook Free (as in beer) eBook Download

The Nmap Cookbook is now part of the Kindle Lending Program. This allows Amazon Prime Subscribers to download The Fat Free Guide to Network Scanning for FREE!

Download for FREE with your Amazon Prime account!

Sunday, December 25, 2011

Nmap Cookbook eBook Now Available


Download the Nmap Cookbook Kindle eBook for only $4.99.

Paperback also available for $18.95 @ Amazon

Saturday, April 10, 2010

Now Available: Nmap Cookbook - The Fat-free Guide To Network Scanning

Available now at and for purchase today.

Paperback $22.95 SALE! $18.97

The Nmap Cookbook provides simplified coverage of network scanning features available in the Nmap suite of utilities. Every Nmap feature is covered with visual examples to help you quickly understand and identify proper usage for practical results.

Topics covered include:

* Installation on Windows, Mac OS X, Unix/Linux platforms
* Basic and advanced scanning techniques
* Network inventory and security auditing
* Firewall evasion techniques
* Zenmap - A graphical front-end for Nmap
* NSE - The Nmap Scripting Engine
* Ndiff - A Nmap scan comparison utility

Provides complete coverage of Nmap 5.00 features.

Click here to preview this book.

Friday, April 9, 2010

Thank you readers!

I take great pride today in the fact the Namp Cookbook has briefly taken the number 1 spot on Under the Security and Encryption category. 

First of all, respect to

Tuesday, February 9, 2010

Nmap Cheat Sheet

Basic Scanning Techniques
Scan a Single Target
nmap [target]

Scan Multiple Targets
nmap [target1, target2, etc]

Scan a List of Targets
nmap -iL [list.txt]

Scan a Range of Hosts
nmap [range of ip addresses]

Scan an Entire Subnet
nmap [ip address/cdir]

Scan Random Hosts
nmap -iR [number]

Excluding Targets from a Scan
nmap [targets] --exclude [targets]

Excluding Targets Using a List
nmap [targets] --excludefile [list.txt]

Perform an Aggressive Scan
nmap -A [target]

Scan an IPv6 Target
nmap -6 [target]

Click past the jump too see the complete list...

Tuesday, January 26, 2010

Nmap 101: Introduction to Network Scanning with Nmap

Nmap is an open source program released under the GNU General Public License (see It is an evaluable tool for network administrators which can be used to discover, monitor, and troubleshoot TCP/IP systems. Nmap is a free cross-platform network scanning utility created by Gordon “Fyodor” Lyon and is actively developed by a community of volunteers.
Nmap’s award-winning suite of network scanning utilities has been in constant development since 1997 and continually improves with each new release. Version 5.00 of Nmap (released in July of 2009) adds many new features and enhancements including:
  • Improved service and operating system version detection
  • Improved support for Windows and Mac OS X
  • Improved Nmap Scripting Engine (NSE) for performing complex scanning tasks
  • Addition of the Ndiff utility which can be used to compare Nmap scans
  • Ability to graphically display network topology with Zenmap
  • Additional language localizations including German, French, and Portuguese
  • Better overall performance
To get started using Nmap, simply follow these three steps...

Monday, January 11, 2010

Installing Nmap 5.00 by compiling from source

Executing these simple commands will get you up and running quickly with Nmap 5.00 on Unix and Linux systems: