作者：Michael Shinn, Scott Shinn
出版日期：December 24, 2004
出版社：Addison Wesley
页数：384
ISBN：ISBN-10: 0321227239 ISBN-13: 978-0321227232
文件格式：CHM

Product Description
While Linux firewalls are inexpensive and quite reliable, they lack thesupportcomponent of their commerical counterparts. As a result, mostusers of Linuxfirewalls have to resort to mailing lists to solve theirproblems. Our authorshave scoured firewall mailing lists and havecompiled a list of the most oftenencountered problems in Linuxfirewalling. This book takes a Chilton’s manualdiagnostic approach tosolving these problems.The book begins by presenting the two mostcommon Linux firewallconfigurations and demonstrates how to implementthese configurations in animperfect network environment, not in anideal one. Then, the authors proceedto present a methodology foranalyzing each problem at various network levels:cabling, hardwarecomponents, protocols, services, and applications. Theauthors includediagnostic scripts which the readers can use to analyze andsolve theirparticular Linux firewall problems. The reference distributions areRedHat and SuSE (for international market).
From the Back Cover
Covers Red Hat and SUSE
When something goes wrong with your Linux firewall, you need to fixit—right now. You don’t have time for endless newsgroup searches,confusing man pages, emails to the developers… it’s an emergency! Onebook brings together all the step-by-step solutions and provenproblem-solving techniques you’ll need when the time comes: Troubleshooting Linux® Firewalls.
Authors Michael Shinn and Scott Shinn are among the world’s leadingfirewall experts; they’ve even been hired to protect computer securityat the White House. In this book, they cover every area where Linuxfirewalls can go wrong: rules and filtering problems, Layer 2/3/4issues, trouble with individual services, DNS/DHCP failures, evenmisconfigured VPNs. They also present an easy, start-to-finishtroubleshooting methodology that’ll help you identify even the newestor most obscure firewall problem fast—and solve it!
Inside, you will find in-depth information on the following areas:
What you must know about iptables and netfilter to troubleshoot and avoid problemsUsing loggers, sniffers, and other tools to diagnose even the most obscure firewall problemsMaking sure your firewall rules work the way they’re supposed toResolving problems with Network Address Translation and IP ForwardingTroubleshooting SMTP, Apache, Squid, NFS, FTP, instant messaging, and other Web-based servicesFinding and fixing common problems with IPsec VPN configurationMaking your firewalls more failure-resistant: recommendations from the expertsIf you depend on a Linux firewall, what will you do if it goes down? With Troubleshooting Linux® Firewalls, you can be confident that the solutions are right at hand—so you can sleep at night!