Cisco Router Firewall Security

Author: (USA) Deir
Publisher:
Publish Date: 2006-01-01
Features: Cisco IOS Firewall provides a rich set of features, including: Address Translation, Authentication, Encryption, Stateful Filtering, Failover, URL Content Filtering, ACL, NBAR, and other features. This book explains how to use Cisco IOS Firewall to enhance the security of boundary routers and leverage the flexibility and scalability of the Cisco IOS software package in the process. Each chapter of the book focuses on an important component of boundary router security. The author explains the pros and cons of all these key security features to help us understand when to use them, and provides many examples from the author's own practical experience to describe critical issues and security vulnerabilities. The book concludes with a detailed case study describing how to implement best practices and relevant information for Cisco router security features. Whether you are learning about firewall security or seeking technical guidance to enhance Cisco router security, this book serves as a safe reference for network boundary protection. The book comprehensively and systematically introduces various firewall features based on the Cisco IOS operating system. Using these features, you can strengthen Cisco boundary routers and other routers while protecting your existing investments from various security threats and attacks. The book consists of 21 chapters, divided into 9 parts. Part is an overview of security issues and firewalls. Part 2 protects access to the router itself through basic access settings, disabling unnecessary services, and implementing AAA. Part 3 introduces Cisco's stateless traffic filtering technology, including basic, extended, named, timed, ordered, and compiled ACLs. Part 4 introduces Cisco's stateful traffic filtering technology, including reflective ACLs, CBAC, URL filtering, and NBAR features. Part 5 introduces address translation and the problems it can cause, as well as corresponding solutions. Part 6 covers Lock and Key ACLs, Authentication Agents, and protection for routing protocols. Lock and Key and Authentication Agents are used to authenticate users before granting them access to resources. Part 7 focuses on Intrusion Detection Systems, DoS Protection, and logging events. Part 8 covers site-to-site IPSec connections and remote access IPSec connections. Part 9 presents a comprehensive case study, combining the important security components introduced in the book to describe how to protect the security of a real-world environment. This book is a "how-to" guide and can be considered a comprehensive reference for Cisco router firewall security. Author Richard is an expert with years of experience in the computer networking industry, and the book incorporates many insights and tips from the author's cybersecurity practices, helping readers better master important features and critical issues. Many examples provided in the book are typical and can be easily applied to your network environment. The book is well-written, detailed, and covers a wide range, making it a valuable reference for cybersecurity professionals and network administrators. The book can also effectively help you pass the Cisco CCSP Security Certification Exam.