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Building Internet Firewalls (2nd Edition)
Zwicky, Elizabeth D.
Chapman, D. Brent
Published: January 15, 2000
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In the vast and varied universe of computer books, only a few stand out as the best in their subject areas. Building Internet Firewalls is one of those. It's deep, yet carefully focused, so that almost anything you might want to know about
firewall strategies for protecting networks is here. In addition, there's lots of information on the reasons that we build firewalls in the first place, which is to say the security risks that come with Internet connectivity. You'll learn a great deal
about Internet services and the protocols that provide them as you follow this book's recommendations for stifling attacks.
If there's a shortcoming to this book, it's its lack of coverage of the turnkey firewall products that are becoming
popular among home and small-office users. Emphasis here is on more complicated network defenses that require careful design and setup--both design and implementation are the order of the day here. The authors carefully enumerate the threats they see
in various situations, go into some detail on how those threats manifest themselves, and explain what configuration changes you can make to your perimeter defenses to repulse those threats. Plenty of illustrations make points about good and bad
security strategies (you want to put the routers here and here, not here or here). You'll learn a lot by reading this book from cover to cover, no matter how much experience you have. --David Wall
Topics covered: Means of protecting private
networks from external security threats. The authors go into detail on attackers' means of exploiting security holes in common Internet services, and show how to plug those holes or at least limit the damage that can be done through them. With
coverage of Unix, Linux, and Windows NT, the authors detail their philosophies of firewall design and general security policy.
In the five years since the first edition of this classic book, Internet use has exploded. The
commercial world has rushed headlong into doing business on the Web, often without integrating sound security technologies and policies into their products and methods. The security risks--and the need to protect both business and personal data--have
never been greater. Like the highly respected, bestselling first edition, Building Internet Firewalls, 2nd Edition, is a practical and detailed step-by-step guide to designing and installing firewalls and configuring Internet services to work with a
firewall. Much expanded to include Linux and Windows coverage, the second edition describes a variety of firewall technologies and architectures. It also contains a new set of chapters describing the issues involved in a variety of Internet services
and protocols through a firewall. In addition to the standard email, News, FTP, DNS, and Telnet services, the book now covers web services and scripting languages, Windows NT services, authentication and auditing services, intermediary protocols, and
database protocols. The book also has a complete list of resources, including the location of many publicly available firewall construction tools.
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