Open Source Security Tools: Practical Guide to Security Applications

Open Source Security Tools: Practical Guide to Security Applications
by Tony Howlett (Author)

# Paperback: 608 pages
# Publisher: Prentice Hall PTR (August 8, 2004)
# Language: English
# ISBN-10: 0321194438
# ISBN-13: 978-0321194435

Product Description

This book sorts through the overwhelming mass of open source security tools, chooses a few of the best, and shows network and system administrators how to use them to solve common security problem. Open Source Security Tools is a practicum. It tells readers what they need to do to secure their networks, introduces best-in-class tools, and shows readers how to use them. For each security task described, Howlett reviews the best open source tools, shows readers how to use them, and takes them through a sample implementation and case studies. At the end of each chapter, Howlett will offer pointers to other good open source tools that are worth investigating. The companion CD includes fully dowloadable versions of the tools, so readers can work along with the text. Newcomers to security will leave with enough knowledge and experience to deploy solutions and further their IT careers. Readers will learn to: * Secure their perimeter with open source scanners like Nessus.* Receive early warning about attempted breakins from IDS systems like Snort.* Install a firewall to keep hackers at bay (Turtle).* Use encyrption to secure email and other sensitive data (PGP)* If the worst happens, run forensics tools to investigate a breakin after the fact, like Autopsy or SleuthKit.This book is part of the Bruce Perens Open Source Series.

From the Back Cover

Few frontline system administrators can afford to spend all day worrying about security. But in this age of widespread virus infections, worms, and digital attacks, no one can afford to neglect network defenses.

Written with the harried IT manager in mind, Open Source Security Tools is a practical, hands-on introduction to open source security tools. Seasoned security expert Tony Howlett has reviewed the overwhelming assortment of these free and low-cost solutions to provide you with the “best of breed” for all major areas of information security.

Inside, you’ll find everything from how to harden Linux and Windows systems to how to investigate breaches with Sleuth Kit, Autopsy Forensic Browser, and Forensic Tool Kit. For each security task described, the author reviews the best open source tools and how to use them and also provides a case study and sample implementation. Covered tasks include:

* Installing an open source firewall using Ipchains, Iptables, Turtle firewall, or Smoothwall
* Scanning ports and testing for vulnerabilities using Nmap, Nlog, Nmap for Windows, Nessus,and NessusWX
* Using sniffers and network-intrusion systems, including Tcpdump, Ethereal, Windump, Snort™, and Snort™ for Windows
* Tracking and analyzing collected data with Swatch, ACID, and NCC
* Encrypting communications with PGP, GnuPG, SSH, and Free S/WAN

This handy reference also tackles the emerging field of wireless security and covers tools such as Kismet Wireless, Airsnort, and Netstumber.

About the Author

Tony Howlett is the president of Network Security Services, a computer-security application service provider built entirely on open source software. A Certified Information Systems Security Professional (CISSP) and GIAC Systems and Network Auditor (GNSA), he has fourteen years of experience, including running a major regional ISP/CLEC and building a nationwide ATM/DSL network. Mr. Howlett is a frequent speaker on computer security and technology topics and has written for SysAdmin, Computer Currents, Windows Web Solutions, Security Administrator, and other magazines.

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