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Hardening Linux (Paperback)

by James Turnbull (Author)

4.4 out of 5 stars See all reviews (8 customer reviews)

List Price:	$44.99
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Editorial Reviews

Product Description
James Turnbull is an IT&T Security Consultant at the Commonwealth Bank of Australia. He is an experienced infrastructure architect with a background in Linux/Unix, AS/400, Windows, and Storage systems. He has been involved in security consulting, infrastructure security design, SLA & support services design, and business application support.

From the Publisher
"Hardening" is the process of protecting a system and its applications against unknown threats. Hardening Linux identifies many of the risks of running Linux hosts and applications and provides practical examples and methods to minimize those risks.

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Product Details

Paperback: 584 pages
Publisher: Apress; 1 edition (May 23, 2008)
Language: English
ISBN-10: 1590594444
ISBN-13: 978-1590594445
Product Dimensions: 9.1 x 6.9 x 1.3 inches
Shipping Weight: 2.8 pounds (View shipping rates and policies)

Average Customer Review: 4.4 out of 5 stars See all reviews (8 customer reviews)

Amazon.com Sales Rank: #95,779 in Books (See Bestsellers in Books)

Popular in these categories: (What's this?)

#5 in	Books > Computers & Internet > Security & Encryption > Linux Security
#26 in	Books > Computers & Internet > Operating Systems > Linux > Networking & System Administration
#54 in	Books > Computers & Internet > Operating Systems > Linux > Programming

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1 book cites this book:

Implementing Database Security and Auditing: Includes Examples for Oracle, SQL Server, DB2 UDB, Sybase by Ron Ben Natan on page 32

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	78% buy the item featured on this page: Hardening Linux 4.4 out of 5 stars (8) $40.49
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Customer Reviews

8 Reviews

5 star:		(4)
4 star:		(3)
3 star:		(1)
2 star:		(0)
1 star:		(0)

Average Customer Review

4.4 out of 5 stars (8 customer reviews)

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Most Helpful Customer Reviews

23 of 25 people found the following review helpful:

4.0 out of 5 stars Much more than I expected, March 2, 2005

By	Anthony Lawrence "Unix, Linux and Mac OS X" (Middleboro, MA USA) - See all my reviews (REAL NAME)

I thought this might just be a book on iptables and other firewalls, but it's much more. In 400 pages, this covers everything from initial installation right through what to do if you did get breached. It covers email security, ftp,
dns and bind, ssh, file systems, pam authentication, firewalls, penetration testing and more.

The really impressive thing is that everything is covered well - obviously some of these subjects could be hundreds of pages by themselves, but the author manages to succintly present the important concepts.

I'd certainly recommend this to anyone running a Linux box.

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19 of 21 people found the following review helpful:

5.0 out of 5 stars Excellent. Couldn't ask for more., August 13, 2005

By	Lasse Koskela (Helsinki, Finland) - See all my reviews (REAL NAME)

I haven't run a Linux box since 2002. Some time ago, realizing that I'd soon have a chance to migrate to using Linux for everyday work, I decided I should start refreshing my *NIX commands and shell scripting. Then, I saw "Hardening Linux". Rather spontaneously, I decided to start with this security-focused title instead of the perhaps more intuitive path of installing the latest distro, setting up a bunch of daemons, installing databases, etc. That proved to be an excellent decision. "Hardening Linux" is not a small book. Yet, I read the 500 pages more or less cover to cover. Even though we're talking about a book of which purpose is to help you to secure your Linux server, I felt like I learned more about Linux reading this book than I've learned during the last year at work.

Turnbull kick starts the book by explaining user and group management, basics of the Linux file system security, how to verify downloaded packages, which tools and packages you probably should remove from a production server. By page 50, he had also shown how to compile your kernel with security flags and the Openwall project.

After the rather intense first chapter, the rest of the book's chapters each focus on a certain aspect of a system or a specific product, showing how to secure your system from that particular perspective. Most of these chapters are really top-notch compared to most of the online material I've resorted to in the past. For example, Turnbull presents the most intuitive tutorial on configuring the iptables firewall I've seen so far.

Another excellent description is the chapter on file system security. In my experience, the majority of developers dealing with Linux -- myself included -- don't really know much about Linux file system security beyond the basic file permission attributes. Thanks to chapter 4, I know twice as much about what's possible and what to look out for with regards to file permissions and ownership, and all those mysterious "special" characters that don't have to do with the basic read-write-execute stuff.

The author also covers the topics of syslog (and syslog-ng), secure remote connections (including SSL/TLS and SSH among other things), and gives a broad overview of common security analysis tools such as NMAP, Nessus, Ethereal, and tcpdump. Beyond those I already mentioned, Turnbull has written excellent chapters explaining how to secure your email servers (both sendmail and postfix), putting your FTP server into a chroot jail, and how to set up your DNS server and protect yourself from common attacks such as cache poisoning.

All in all, an excellent book on not just Linux security but also on Linux fundamentals. Highly recommended reading if you're running a Linux box you wouldn't want getting "0wn3d."

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6 of 7 people found the following review helpful:

5.0 out of 5 stars Great topics, May 2, 2006

By	Michael Stahnke (Nashville, TN) - See all my reviews (REAL NAME)

After reading this book, I think it is going to be the mandatory companion I hand out to new Linux administrators, along with Essential System Administration. The first 6 chapters are exceptional. I can't say enough good things about them. The coverage of PAM is better than anything I have seen. The coverage of authentication, groups, users and best practices surrounding them was very good as well. The logging chapter alone is probably worth the purchase of the book.

After the first section, the book covers more specific topics that are of less interest to me. I realize that a lot of people use email, of all kinds. Chapter 7, 8 and 9 cover email, and I just wasn't that excited about it.

Chapter 10 covered securing FTP, which is nice, and 11 covers Bind. I guess I wonder why some of the topics were chosen. There are whole books on email and bind, available, but there isn't always good material for some other services, like CUPS, maybe some web-based administration tools, or SELinux. The coverage of topics that made the table of contents are very good.

I would say if you are new to Linux Security, or a seasoned player looking for just another reference, this book is great.

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Most Recent Customer Reviews

4.0 out of 5 stars In-depth explanations with step-by-step techniques for securing Linux and common applications.
<em>Hardening Linux</em> by James Turnbull, stands out in my mind as a vitally important text that clearly lays out how to make your Linux boxes as secure as possible. Read more

Published on August 11, 2005 by R. Lodato

5.0 out of 5 stars Needed, practical advice
I strongly recommend this book for systems administrators and those running personal Linux systems. This book covers all of the basics of locking down a Linux system, and presents... Read more

Published on May 11, 2005 by Jack D. Herrington

5.0 out of 5 stars The basics that Linux users must understand
The book starts with the basics of hardening a Linux system to prevent purposeful attack as well as the inadvertently harm some users may cause. Read more

Published on April 30, 2005 by Harold McFarland

4.0 out of 5 stars Important book
A lot of people think Linux is bullet proof, but its not. If not configured correctly, it can be just as insecure as Windows. Read more

Published on March 7, 2005 by Eric Kent

3.0 out of 5 stars antispam descriptions are outdated
With the onslaught of malware in all its deviant forms, securing your linux machine should be a high priority. Linux now has a plethora of tools and procedures to aid in this. Read more

Published on March 2, 2005 by W Boudville

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