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Linux Network Security (Administrator's Advantage Series)
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by Peter G Smith
Sales Rank: 457494
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Discount: 40 %
List Price: $49.95
$36.46
At Amazon
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Paperback: 541 pages
Publisher: Charles River Media; 1 edition March 2005
Language: English
ISBN-10: 1584503963
ISBN-13: 978-1584503965
Product Dimensions:
9.1 x 7.5 x 1.3 inches
Shipping Weight: 2.2 pounds
Book Description
Linux networks are becoming more and more common, but security is often an overlooked issue. Unfortunately, in today's environment all networks are potential hacker targets, from top-secret military research networks to small home LANs. Linux Network Security focuses on securing Linux in a networked environment, where the security of the entire network needs to be considered rather than just isolated machines. It uses a mix of theory and practical techniques to teach administrators how to install and use security applications, as well as how the applications work and why they are necessary. Starting with the need for security and understanding the problem, the book teaches administrators about packet filtering (firewalling) with iptables, hardening services such as Apache, BIND, Sendmail, FTP, and MySQL to prevent attacks, network analysis, encryption, local security, DoS attacks, and rootkits. Auditing networks for potential vulnerabilities and creating secure passwords is also explored. This is the one book that really details how to secure a Linux network.
About The Author
Peter G. Smith is a programmer and system administrator from the UK. Having originally started as a Web developer with an interest in CSS, MySQL, and PHP, he now works exclusively on UNIX platforms, mostly writing Perl. He is an advocate of the Open Source movement and has contributed various documentation and programs over the years, and has written articles for various on-line publications.
Customer Reviews & Comments
If you are a network administrator who needs to get a quick handle on Linux security this would be a very good choice. It covers the basics of security in general (weak passwords, key logging, Trojans, network topology, etc.) as well as security issues that are specific to Linux. It does a good job of explaining how Iptables are used in a firewall and how to tune the network. Linux Network Security does appear to thoroughly cover all the basic system security considerations including the passwd file, shadowing, enforcing security, using PAM, and SUDO security. The best part of the book is when the author gets to how to choose an appropriate distribution, use a chroot jail, and protect memory. In addition to the basic Linux security common to all distributions the author discusses role based access control, the Linux Intrusion Detection System, and the secure Linux distribution SeLinux. The book ends with sections on securing the most common services for Linux - Apache, SSH, NFS, NIS, DNS, BIND, and FTP. It also includes a section on keeping your system secure using Tripwire. If you need additional help on specific issues there are six appendixes which cover recompiling the kernel, kernel configuration for networking, firewall scripts, and cryptography. This book is obviously intended for the Linux network administrator, but the level of knowledge assumed is somewhat confusing. For some pieces it seems to assume no prior knowledge (like Chapters 1 and 2) and for other areas it seems to assume some basic prior understanding of Linux (although admittedly minimal). Keep in mind that there are whole books on some of these items (like securing Apache) so there is obviously much more detailed information available if you have a specific need. Linux Network Security is highly recommended to network administrators who are dealing with a basic file and print sharing network or who need a solid overview of Linux security and some of the security problems with common services.
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Linux Network Security (Administrator's Advantage Series)
List Price: $49.95
Discount: 40 %
Available from Amazon
Price: $36.46
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