Cisco Security Specialist’s Guide to PIX Firewall [ILLUSTRATED] (Paperback)

The firewall has come to exemplify network security. While an overall security strategy requires a harmonious integration of people, process, and technologies to reduce risk, there’s no doubt that firewalls can be a very valuable security tool. Cisco Systems’ PIX firewalls have gained market leadership by demonstrating a mix of functionality, performance, and flexibility. The objective of this book is to help you gain a deeper knowledge of Cisco PIX Firewalls. Whether you have administrative responsibilities or are studying to pass an exam such as the Cisco Secure PIX Firewall Advanced

Cisco Express Forwarding (Networking Technology) (Hardcover)

How does a router switch a packet? What is the difference between routing a packet, switching a frame, and packet switching? What is the Cisco® Express Forwarding (CEF) feature referred to in Cisco documentation and commonly found in Cisco IOS® commands? CEF is a general term that describes the mechanism by which Cisco routers and Catalyst® switches packet-switch (route) frames. CEF is found in almost all Cisco routers and Catalyst switches, and understanding how CEF operates can improve the performance, scalability, and efficiency of your network.

Cisco Express Forwarding demystifies the internal workings of Cisco routers and switches, making it easier for you to optimize performance and troubleshoot issues that arise in Cisco network environments. This book addresses common misconceptions about CEF and packet switching across various platforms, helping you to improve your troubleshooting skills for CEF- and non-CEF-related problems.

The first part of the book provides an overview of packet-switching architectures and CEF operation and advanced features. It also covers the enhanced CEF structure and general troubleshooting. The second part of the book provides case studies that focus on the common topics that have been problematic for customers and those supporting Cisco networks.

Full of practical examples and configurations, this book draws on years of experience to help you keep your Cisco networks running efficiently.

Nakia Stringfield, CCIE® No. 13451, is a network consulting engineer for Advanced Services at Cisco, supporting top financial customers with network design and applying best practices. She was formerly a senior customer support engineer for the Routing Protocols Technical Assistance Center (TAC) team troubleshooting issues related to CEF and routing protocols. Nakia has been with Cisco for more than six years, previously serving as a technical leader for the Architecture TAC team.

Russ White, CCIE No. 2635, is a Principle Engineer in the Routing Protocol Design and Architecture team at Cisco. He is a member of the IETF Routing Area Directorate, co-chair of the Routing Protocols Security Working Group in the IETF, a regular speaker at Cisco Networkers, a member of the CCIE Content Advisory Group, and the coauthor of six other books about routing and routing protocols, including Optimal Routing Design from Cisco Press. Russ primarily works in the development of new features and design architectures for routing protocols.

Stacia McKee is a customer support engineer and technical leader of the Routing Protocols Technical Assistance Center (TAC) team. This team focuses on providing post-sales support of IP routing protocols, MPLS, QoS, IP multicast, and many other Layer 3 technologies. Stacia has been with Cisco for more than six years, previously serving as a technical leader of the Architecture TAC team and a member of the WAN/Access TAC team.

* Learn the key features of packet-switching architectures
* Understand the basics of the CEF architecture and operation
* Examine the enhanced CEF structure, which improves scalability
* Learn how to troubleshoot in software-switching environments

* Understand the effect of CEF on a Cisco Catalyst 6500 Supervisor 720
* Configure and troubleshoot load sharing with CEF
* Evaluate the effect of CEF in an MPLS VPN environment
* Review CEF design considerations that impact scalability

Part I Understanding, Configuring, and Troubleshooting CEF

Chapter 1 Introduction to Packet-Switching Architectures
Chapter 2 Understanding Cisco Express Forwarding
Chapter 3 CEF Enhanced Scalability
Chapter 4 Basic IP Connectivity and CEF Troubleshooting

Part II CEF Case Studies

Chapter 5 Understanding Packet Switching on the Cisco Catalyst 6500 Supervisor 720

Chapter 6 Load Sharing with CEF

Chapter 7 Understanding CEF in an MPLS VPN Environment

Part III Appendix

Appendix A Scalability

This book is part of the Networking Technology Series from Cisco Press®, which offers networking professionals valuable information for constructing efficient networks, understanding new technologies, and building successful careers.

Category: Networking

Covers: Routing and Switching

1587052369

About the Author

Nakia Stringfield, CCIE No. 13451, is a network consulting engineer for Advanced Services at Cisco in Research Triangle Park, North Carolina, supporting top financial customers with network design and applying best practices. She was formerly a senior customer support engineer for the Routing Protocols Technical Assistance Center (TAC) team, troubleshooting issues related to CEF and routing protocols. Nakia has been with Cisco for more than six years, previously serving as a technical leader for the Architecture TAC team. She has given training courses on CEF operation and troubleshooting for internal

employees. Nakia also worked for a year with IBM Global Services LAN Support in Research Triangle Park, North Carolina. Nakia attended North Carolina State University and completed her bachelor of science degree in electrical engineering in 1996. She also earned a master of science in computer networking

and computer engineering from North Carolina State University in 2000.

Russ White, CCIE No. 2635, is a member of the Routing Protocol Design and Architecture Team at Cisco, Research Triangle Park, North Carolina. He is a member of the Internet Engineering Task Force (IETF) Routing Area Directorate, a cochair of the Routing Protocols Security Working Group in the IETF, a regular speaker at Networkers, a member of the Cisco Certified Internetwork Expert (CCIE) Content Advisory Group, a member of the core team developing the new Cisco Design certification, a regular contributor to the Internet Protocol Journal, and the coauthor of six other books about routing and routing protocols, including Optimal Routing Design, from Cisco Press. Russ primarily works in the development of new features and design architectures for routing protocols.

Stacia McKee is a customer support engineer and technical leader of the Routing Protocols (RP) Technical Assistance Center (TAC) team at Cisco in research Triangle Park, North Carolina. This team focuses on providing postsales support of IP routing protocols, Multiprotocol Label Switching (MPLS),

quality of service (QoS), IP multicast, and many other Layer 3 technologies. Stacia has been with Cisco for more than six years, previously serving as a technical leader of the Architecture TAC team and member of the WAN/Access TAC team. She has created and presented training on packet switching, router architecture, and troubleshooting for internal employees. Stacia has also been a technical editor and reviewer of Cisco.com technical documentation, mainly in router and IOS architecture and IP routing protocols technologies. She works closely with the IP Routing and IP Services groups within the Cisco

Network Software and Systems Technology Group (NSSTG) on customer problems and early field trials. In 2000, Stacia completed her bachelor of science degree in computer information systems, bachelor of science degree in business administration, and bachelor of arts degree in computer science at the

College of Charleston in Charleston, South Carolina.

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Web Host Manager Administration Guide

If you are running a web host or web space reseller then the chances are you’ll be using WebHost Manager. This book shows you how to get the most from the software, for both you and your customers. It provides solutions to common WHM problems and pitfalls, leading to better customer service provided at lower cost. You will learn how to set up WHM securely, offer a variety of account styles. You will see how to use WHM to elegantly manage multiple domains, SSL certificates, and various databases and server-side technologies such as PHP, MySQL, Perl, and Apache. WebHost Manager is a package used by web hosts to manage their servers and the individual user accounts they hold. It is part of the same package as cPanel, so the host uses WebHost Manager while the client uses cPanel. WebHost Manager is at the core of many web hosts’ business. Using web host manager, you can keep track of the accounts on your server, monitor their bandwidth and disk space usage, and much more. The book shows you how to: - Set up a fast, secure, and effective server with WHM - Work with Apache, PHP, Perl and Databases - Manage standard and reseller accounts and use third-party programs that assist in this process - Keep an eye on what is happening on your server by using tools that WHM provides and some third-party tools - Deal with reseller and non-reseller accounts - Manage DNS, IP and SSL issues using WHM - Manage security on an on-going basis by learning what to look for - Learn how to add useful features to WHM and cPanel - Discover places you can turn to for help if you need it

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Cisco Press Frame Relay Solutions Guide

Product Description

Implement Frame Relay solutions on Cisco networks with this definitive resource

Today, with Frame Relay's widespread popularity, major service providers around the world offer Frame Relay as one of their core services, and it has become an important technology for connecting data networks across North America, Europe, and Asia. In short, Frame Relay is a high-speed, high-performance, Layer 2 packet-switched technology designed for communication across WANs. Frame Relay is often described as a streamlined version of the X.25 protocol, and it can be implemented over a variety of other network interfaces, including ISDN. Frame Relay users have found that it provides a number of benefits over alternative technologies:

• Lower cost of ownership
• Well-established and widely adopted standards that allow open architecture and plug-and-play service implementation
• Low overhead combined with high reliability
• Network scalability, flexibility, and disaster recovery
• Interworking with other new services and applications, such as ATM

Along with these benefits and the growing popularity of Frame Relay comes the need for information and solutions to design issues, implementation, quality of service, and high availability. To meet this need, Cisco Frame Relay Solutions Guide provides comprehensive coverage of Frame Relay technologies and the Cisco Frame Relay solutions developed in Cisco IOS® Software from release 12.0 up to 12.2(T). Both Frame Relay beginners, who need to understand the technology, and advanced readers, who need information on the wide range of Frame Relay features Cisco® offers, will benefit from this book. However, Cisco Frame Relay Solutions Guide is a useful design, implementation, and configuration guide for networking professionals of all levels.

• Design the perfect Frame Relay solution, using the detailed explanation of the Frame Relay implementation process
• Configure Frame Relay on Cisco routers with comprehensive step-by-step instructions
• Understand each feature of Frame Relay by using configuration examples and explanations
• Use Cisco oriented case studies with design scenarios to understand real-life examples of each feature¿s application and relevance
• Contains valuable tips and hints for troubleshooting Frame Relay connections

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Cisco Press Integrated Cisco and Unix Network Architectures

Product Description

Design, build, and operate integrated gateway routing systems

• Learn how to design, build, and administer integrated gateway routing systems
• Identify the advantages and disadvantages of Cisco/UNIX integrated designs
• Review lab exercises throughout the book that bring concepts to life
• Encounter the fascinating world of dynamic UNIX routing and TCP/IP stacks
• Understand the way forwarding and signaling are implemented in the UNIX world
• Gain proficiency with tunnels and VPNs
• Utilize advanced features such as high availability, NAT, bandwidth management, policy routing, and multicast architectures
• Explore Linux and BSD networking concepts

UNIX gateways introduce massive performance possibilities at a fraction of the price of dedicated proprietary appliances by performing network tasks entirely in software. With Cisco Systems routers dominating the Internet and enterprise networking and UNIX routing and gateway solutions spreading from within server farms and data centers, new opportunities and possibilities arise for system and network administrators who understand the benefit of integrated designs. For example, the use of UNIX gateways can enable intrusion detection, firewalling, cable and DSL access, terminal servers and access concentrators, VPNs, roaming user support, and other LAN and WAN services. Far from being mutually exclusive, Cisco devices, UNIX operating systems, and open source applications can enjoy a peaceful, perhaps even inevitable, coexistence for years to come. Integrated Cisco and UNIX Network Architectures shows how Cisco routers, switches, and firewalls seamlessly work together with UNIX operating systems in an integrated networking and security environment.

Integrated Cisco and UNIX Network Architectures reveals not just the feasibility but also the desirability of Cisco/UNIX integrated routing with regard to systems integration, interoperability, and feature requirements. Detailed, progressively complex lab scenarios emphasize enterprise and ISP requirements, casting light on the similarities and differences of these two worlds. Platform issues, such as behavior of firewall filters, kernel features, and proper standards compliance, are discussed, analyzed with sniffers, and tested with handcrafted traffic from packet generators and test applications.

If you want to master and maximize the operation of your UNIX and Cisco network architectures, this book shows you how.

This book is part of the Networking Technology Series from Cisco Press¿ which offers networking professionals valuable information for constructing efficient networks, understanding new technologies, and building successful careers.

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Cisco Press Internetworking Troubleshooting Handbook

Product Description

Internetworking Troubleshooting Handbook focuses on helping you diagnose and resolve specific and potentially problematic issues common to every network type. This book aims to help you reduce downtime, improve network performance, and enhance network reliability using proven troubleshooting solutions. In addition, it is intended to help you make intelligent, timely, and cost-effective networking decisions for your networking environment. Each section of the book is devoted to problems common to a specific protocol. Sections are subdivided into symptoms, descriptions of environments, diagnosing and isolating problem causes, and problem-solution summaries. Specific protocols covered include TCP/IP, IPX, IBM, AppleTalk, Transparent Bridging, DECnet, and ISO CLNS.

From the Back Cover

Internetworking Troubleshooting Handbook focuses on helping you diagnose and resolve specific and potentially problematic issues common to every network type. This book aims to help you reduce downtime, improve network performance, and enhance network reliability using proven troubleshooting solutions. In addition, it is intended to help you make intelligent, timely, and cost-effective networking decisions for your networking environment. Each section of the book is devoted to problems common to a specific protocol. Sections are subdivided into symptoms, descriptions of environments, diagnosing and isolating problem causes, and problem-solution summaries. Specific protocols covered include TCP/IP, IPX, IBM, AppleTalk, Transparent Bridging, DECnet, and ISO CLNS.

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Cisco Press Intrusion Prevention Fundamentals

Product Description

An introduction to network attack mitigation with IPS

• Where did IPS come from? How has it evolved?
• How does IPS work? What components does it have?
• What security needs can IPS address?
• Does IPS work with other security products? What is the “big picture”?
• What are the best practices related to IPS?
• How is IPS deployed, and what should be considered prior to a deployment?

Intrusion Prevention Fundamentals offers an introduction and in-depth overview of Intrusion Prevention Systems (IPS) technology. Using real-world scenarios and practical case studies, this book walks you through the lifecycle of an IPS project–from needs definition to deployment considerations. Implementation examples help you learn how IPS works, so you can make decisions about how and when to use the technology and understand what “flavors” of IPS are available. The book will answer questions like:

Whether you are evaluating IPS technologies or want to learn how to deploy and manage IPS in your network, this book is an invaluable resource for anyone who needs to know how IPS technology works, what problems it can or cannot solve, how it is deployed, and where it fits in the larger security marketplace.

• Understand the types, triggers, and actions of IPS signatures
• Deploy, configure, and monitor IPS activities and secure IPS communications
• Learn the capabilities, benefits, and limitations of host IPS
• Examine the inner workings of host IPS agents and management infrastructures
• Enhance your network security posture by deploying network IPS features
• Evaluate the various network IPS sensor types and management options
• Examine real-world host and network IPS deployment scenarios

This book is part of the Cisco Press® Fundamentals Series. Books in this series introduce networking professionals to new networking technologies, covering network topologies, example deployment concepts, protocols, and management techniques.

Includes a FREE 45-Day Online Edition

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Cisco Press MPLS and Next Generation Networks

Product Description

Understand the business case for deploying MPLS-based services and solutions

* Provides network managers and architects a precise MPLS primer
* Defines MPLS service problems and their associated solutions
* Includes ROI models for MPLS-based solutions
* Discusses pros and cons of various options for each MPLS service

Network managers often question the value that MPLS brings to their business environment. This book provides them with a precise guide for evaluating the benefits of MPLS-based applications and solutions. The book guides the network manager through the business case for MPLS by exploring other technology alternatives, including their applications, benefits, and deficiencies. Understanding the service creation process as the basis for MPLS-based solutions is pivotal when describing the benefits that MPLS offers. Furthermore, the book explores MPLS technology and its components, providing an overview of the architecture necessary to reap the true advantages that MPLS brings to a service provider or enterprise network. These advantages include new revenue opportunities and a total cost of ownership reduction that positively impacts a company's bottom-line. ROI models and case study examples further confirm the business impact and help decision-makers create a blueprint for MPLS service creation. Specific aspects such as security, network management, advanced services and the future of


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