The essential guide to understanding and using firewalls to protect personal computers and your network An easy-to-read introduction to the most commonly deployed network security device Understand the threats firewalls are designed to protect against Learn basic firewall architectures, practical deployment scenarios, and common management and troubleshooting tasks Includes configuration, deployment, and management checklists
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This is the e Book version of the printed book.Cisco Firewalls thoroughly explains Cisco's full spectrum of network and application firewall products, features, and solutions, and shows how they can add value to network security designs and operations. In this book, a leading Cisco security expert shows how to optimize the placement of Cisco firewalls, grouping and structuring them to build highly-secure self-defending networks.
Deploying Zone-Based Firewalls (Digital Short Cut) Ivan Pepelnjak ISBN: 1-58705-310-1 Improved firewall policy configuration means network administrators can more easily understand the effect of firewall policies on network traffic.
Most organizations have a firewall, antivirus software, and intrusion detection systems, all of which are intended to keep attackers out. So why is computer security a bigger problem today than ever before? The answer is simple--bad software lies at the heart of all computer security problems. Traditional solutions simply treat the symptoms, not the problem, and usually do so in a reactive way. This book teaches you how to take a proactive approach to computer security
Harden perimeter routers with Cisco firewall functionality and features to ensure network security Detect and prevent denial of service (Do S) attacks with TCP Intercept, Context-Based Access Control (CBAC), and rate-limiting techniques Use Network-Based Application Recognition (NBAR) to detect and filter unwanted and malicious traffic Use router authentication to prevent spoofing and routing attacks Activate basic Cisco IOS filtering features like standard, extended, timed, lock-and-key, and ref
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