Designing and Implementing Linux Firewalls with QoS using netfilter, iproute2, NAT and l7-filter by Lucian, Gheorghe 8.7 MB...
Related tags: and [+], Linux [+], Starch [+], Servers [+], No [+], Load [+], Implementing [+], Designing [+], Balancing [+]

Publisher: Wiley; 1st edition
Language: english
ISBN: 0471415502
Paperback: 208 pages
Data: January 25, 2002
Format: PDF
From an industry insider–a close look at high-performance, end-to-end switching solutions
Load balancers are fast becoming an indispensable solution for handling the huge traffic demands of the Web. Their ability to solve a multitude of network and server bottlenecks in the Internet age ranges from dramatic improvements in server farm scalability to removing the firewall as a network bottleneck. This book provides a detailed, up-to-date, technical discussion of this fast-growing, multibillion dollar market, covering the full spectrum of topics–from server and firewall load balancing to transparent cache switching to global server load balancing. In the process, the author delivers insight into the way new technologies are deployed in network infrastructure and how they work. Written by an industry expert who hails from a leading Web switch vendor, this book will help network and server administrators improve the scalability, availability, manageability, and security of their servers, firewalls, caches, and Web sites.
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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:
Perl 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.