Inside Network Perimeter Security (2nd Edition) - page 1
- Inside Network Perimeter Security
- Inside Network Perimeter Security
- Table of Contents
- Copyright
- About the Authors
- About the Technical Editors
- Acknowledgments
- We Want to Hear from You
- Reader Services
- Preface
- Rickety Planes
- Fires in the West
- Rapid Advances in Technology
- Decline in Personal Service
- Continuous Inspections
- Defense in Depth
- Core Business Sector
- Introduction
- Who Should Read This Book
- Why We Created This Book s Second Edition
- Overview of the Book s Contents
- Conventions
- Part I: The Essentials of Network Perimeter Security
- Chapter 1. Perimeter Security Fundamentals
- Terms of the Trade
- Defense in Depth
- Case Study: Defense in Depth in Action
- Summary
- Chapter 2. Packet Filtering
- TCPIP Primer: How Packet Filtering Works
- TCP and UDP Ports
- TCP s Three-way Handshake
- The Cisco Router as a Packet Filter
- An Alternative Packet Filter: IPChains
- The Cisco ACL
- Effective Uses of Packet-Filtering Devices
- Egress Filtering
- Tracking Rejected Traffic
- Problems with Packet Filters
- Dynamic Packet Filtering and the Reflexive Access List
- Summary
- References
- Chapter 3. Stateful Firewalls
- How a Stateful Firewall Works
- The Concept of State
- Stateful Filtering and Stateful Inspection
- Summary
- References
- Chapter 4. Proxy Firewalls
- Fundamentals of Proxying
- Pros and Cons of Proxy Firewalls
- Types of Proxies
- Tools for Proxying
- Summary
- Chapter 5. Security Policy
- Firewalls Are Policy
- How to Develop Policy
- Perimeter Considerations
- Summary
- References
- Part II: Fortifying the Security Perimeter
- Chapter 6. The Role of a Router
- The Router as a Perimeter Device
- The Router as a Security Device
- Router Hardening
- Summary
- Chapter 7. Virtual Private Networks
- VPN Basics
- Advantages and Disadvantages of VPNs
- IPSec Basics
- Other VPN Protocols: PPTP and L2TP
- Summary
- References
- Chapter 8. Network Intrusion Detection
- Network Intrusion Detection Basics
- The Roles of Network IDS in a Perimeter Defense
- IDS Sensor Placement
- Case Studies
- Summary
- Chapter 9. Host Hardening
