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Linux firewalls
Paperback
€57.99
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- Book Synopsis
- System administrators need to stay ahead of new security vulnerabilities that leave their networks exposed every day. A firewall and an intrusion detection systems (IDS) are two important weapons in that fight, enabling you to proactively deny access and monitor network traffic for signs of an attack.Linux Firewalls discusses the technical details of the iptables firewall and the Netfilter framework that are built into the Linux kernel, and it explains how they provide strong filtering, Network Address Translation (NAT), state tracking, and application layer inspection capabilities that rival many commercial tools. You'll learn how to deploy iptables as an IDS with psad and fwsnort and how to build a strong, passive authentication layer around iptables with fwknop.Concrete examples illustrate concepts such as firewall log analysis and policies, passive network authentication and authorization, exploit packet traces, Snort ruleset emulation, and more with coverage of these topics: Passive network authentication and OS fingerprintingiptables log analysis and policiesApplication layer attack detection with the iptables string match extensionBuilding an iptables ruleset that emulates a Snort rulesetPort knocking vs. Single Packet Authorization (SPA)Tools for visualizing iptables logsPerl and C code snippets offer practical examples that will help you to maximize your deployment of Linux firewalls. If you're responsible for keeping a network secure, you'll find Linux Firewalls invaluable in your attempt to understand attacks and use iptables-along with psad and fwsnort-to detect and even prevent compromises.
- About The Author
- Michael Rash is a Security Architect on the Dragon Intrusion DetectionSystem with Enterasys Networks, Inc., and is a frequent contributor toopen source projects. As the creator of psad, fwknop, and fwsnort, Rashis an expert on firewalls, IDSs, OS fingerprinting, and the Snort ruleslanguage. He is co-author of the book Snort 2.1 Intrusion Detection,lead-author and technical editor of the book Intrusion Prevention andActive Response, and has written security articles for Linux Journal,SysAdmin, and ;login:.
- Product Details
-
- ISBN
- 9781593271411
- Format
- Paperback
- Publisher
- No Starch Press, (24 September 2007)
- Number of Pages
- 308
- Weight
- 556 grams
- Language
- English
- Dimensions
- 235 x 178 x 21 mm
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