Cisco Firewalls
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Cisco Firewalls

4.5 7
by Alexandre M.S.P. Moraes
     
 

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Cisco Firewalls

Concepts, design and deployment for Cisco Stateful Firewall solutions

In this book, Alexandre proposes a totally different approach to the important subject of firewalls: Instead of just presenting configuration models, he uses a set of carefully crafted examples to illustrate the theory in action. A must

Overview

Cisco Firewalls

Concepts, design and deployment for Cisco Stateful Firewall solutions

In this book, Alexandre proposes a totally different approach to the important subject of firewalls: Instead of just presenting configuration models, he uses a set of carefully crafted examples to illustrate the theory in action. A must read!—Luc Billot, Security Consulting Engineer at Cisco

Cisco Firewalls thoroughly explains each of the leading Cisco firewall products, features, and solutions, and shows how they can add value to any network security design or operation. The author tightly links theory with practice, demonstrating how to integrate Cisco firewalls into highly secure, self-defending networks. Cisco Firewalls shows you how to deploy Cisco firewalls as an essential component of every network infrastructure. The book takes the unique approach of illustrating complex configuration concepts through step-by-step examples that demonstrate the theory in action. This is the first book with detailed coverage of firewalling Unified Communications systems, network virtualization architectures, and environments that include virtual machines. The author also presents indispensable information about integrating firewalls with other security elements such as IPS, VPNs, and load balancers; as well as a complete introduction to firewalling IPv6 networks. Cisco Firewalls will be an indispensable resource for engineers and architects designing and implementing firewalls; security administrators, operators, and support professionals; and anyone preparing for the CCNA Security, CCNP Security, or CCIE Security certification exams.

Alexandre Matos da Silva Pires de Moraes, CCIE No. 6063, has worked as a Systems Engineer for Cisco Brazil since 1998 in projects that involve not only Security and VPN technologies but also Routing Protocol and Campus Design, IP Multicast Routing, and MPLS Networks Design. He coordinated a team of Security engineers in Brazil and holds the CISSP, CCSP, and three CCIE certifications (Routing/Switching, Security, and Service Provider). A frequent speaker at Cisco Live, he holds a degree in electronic engineering from the Instituto Tecnológico de Aeronáutica (ITA – Brazil).

· Create advanced security designs utilizing the entire Cisco firewall product family

· Choose the right firewalls based on your performance requirements

· Learn firewall configuration fundamentals and master the tools that provide insight about firewall operations

· Properly insert firewalls in your network’s topology using Layer 3 or Layer 2 connectivity

· Use Cisco firewalls as part of a robust, secure virtualization architecture

· Deploy Cisco ASA firewalls with or without NAT

· Take full advantage of the classic IOS firewall feature set (CBAC)

· Implement flexible security policies with the Zone Policy Firewall (ZPF)

· Strengthen stateful inspection with antispoofing, TCP normalization, connection limiting, and IP fragmentation handling

· Use application-layer inspection capabilities built into Cisco firewalls

· Inspect IP voice protocols, including SCCP, H.323, SIP, and MGCP

· Utilize identity to provide user-based stateful functionality

· Understand how multicast traffic is handled through firewalls

· Use firewalls to protect your IPv6 deployments

This security book is part of the Cisco Press Networking Technology Series. Security titles from Cisco Press help networking professionals secure critical data and resources, prevent and mitigate network attacks, and build end-to-end, self-defending networks.

Editorial Reviews

From the Publisher

Alexandre has worked with Cisco security technologies since the year 2000 and is a well recognized expert in the LATAM security community. He is a frequent speaker at Cisco Networkers and other security conferences and has helped in training partners and customers in Brazil. In this book, he proposes a totally different approach to the important subject of firewalls: Instead of just presenting configuration models, he uses a set of carefully crafted examples to illustrate the theory in action. From the configuration fundamentals to advanced topics such as voice inspection, multicast, IPv6 and identity-based firewalls, the book unveils important details about the operations of Cisco firewall solutions, enabling the reader to better use this knowledge on security design. A must-read !

--Luc Billot, Security Consulting Engineer at Cisco (Emerging Markets and European Market)

I think that Alexandre's book could have the alternative title 'Cisco Firewalls Illustrated.' The way in which he links theory and practice is really insightful and greatly helps in understanding individual features and making better use of them for security design. Definitely a reference work in the subject !

--Louis Senecal, CCIE 2198, Consulting Systems Engineer, Cisco (Canada)

In this fully illustrated tour of the world of Cisco Firewalls, Alexandre devotes a great deal of attention to data center-related topics. Network virtualization architecture and the protection of environments that include virtual machines figure among the important subjects covered in the book. For those that want to benefit from virtualization without compromising security, this work is highly recommended.

--David Gonzalez, CISSP #99462, Consulting Systems Engineer at Cisco ( LATAM)

Product Details

ISBN-13:
9781587141096
Publisher:
Cisco Press
Publication date:
06/23/2011
Series:
Networking Technology: Security Series
Pages:
912
Product dimensions:
7.40(w) x 9.00(h) x 1.90(d)

Read an Excerpt

Foreword (by Yusuf Bhaiji)

Networks today have outgrown exponentially both in size and complexity, becoming more multifaceted and increasingly challenging to secure. The blueprint of a core network requires a strong foundation, which can be simply provided with an integrated firewall architecture cemented at the core of the system. Today, the firewall has become a core entity within a network and an integral part of every network infrastructure.

Cisco Firewalls by Alexandre M. S. P. Moraes, has taken a stab at unleashing some of the fundamentally missed concepts, providing readers with a complete library of the entire family of Cisco Firewall products in a single binder.

Alexandre has used a unique approach in explaining the concepts and architecture of the firewall technology. His distinct style has proven his skill at writing on a difficult subject using easy to understand illustrations that walk the reader through a step-by-step approach that shows the theory in action. He has combined some of the commonly used tools with the outputs from several commands to demonstrate the understanding of the technology and exemplifying how it works.

Cisco Firewalls is unlike any other book on this subject and cannot be categorized as a configuration guide or command syntax manual. It provides the readers with the key tools and essential techniques to understand the wide-ranging Cisco firewall portfolio. Whether you are just a beginner trying to learn Cisco firewalls or an experienced engineer looking for a reference, there is something for everyone in this book at varying levels.

Cisco Firewalls is an essential reference in designing, implementing, and maintaining today’s highly secured networks. It is a must read and a must have in your collection - Magnum Opus!

Yusuf Bhaiji; Sr. Manager, Expert Certifications (CCIE, CCDE, CCAr)

What People are saying about this

Louis Senecal
I think that Alexandre's book could have the alternative title 'Cisco Firewalls illustrated'. The way in which he links theory and practice is really insightful and greatly helps on understanding individual features and making better use of them for Security design. Definitely a reference work in the subject! --(Louis Senecal, CCIE 2198, Consulting Systems Engineer, Cisco (Canada) )
David Gonzalez
In this fully illustrated tour to the world of Cisco Firewalls, Alexandre devotes a great deal of attention to Data Center related topics. Network Virtualization architecture and protection of environments that include Virtual Machines figure among the important subjects covered in the book. For those that want to benefit from Virtualization without compromising Security, this work is highly recommended.--( David Gonzalez, CISSP #99462, Consulting Systems Engineer at Cisco ( LATAM) )
Luc Billot
Alexandre has worked with Cisco Security technologies since the year 2000 and is a well recognized expert in the LATAM Security community. He is a frequent speaker at Cisco Networkers and other Security conferences and has helped on training partners and customers in Brazil. In this book, he proposes a totally different approach to the important subject of Firewalls: instead of just presenting configuration models, he uses a set of carefully crafted examples to illustrate the theory in action. From the configuration fundamentals to advanced topics such as Voice Inspection, Multicast, IPv6 and Identity-based firewalls, the book unveils important details about the operations of Cisco firewalls solutions, enabling the reader to better use this knowledge on Security Design. A must read ! --(Luc Billot, Security Consulting Engineer at Cisco (Emerging Markets and European Market) )

Meet the Author

Alexandre Matos da Silva Pires de Moraes, CCIE No. 6063, has worked as a systems engineer for Cisco Brazil since 1998, in projects that involve not only security and VPN technologies but also routing protocol and campus design, IP multicast routing, and MPLS networks design. He has supported large enterprise and public sector accounts and, for almost three years, coordinated a team of Security engineers in Brazil. Alexandre holds the CISSP, CCSP, and 03 CCIE certifications (routing/switching, security, and service provider). Alexandre, a frequent speaker at Cisco Live, graduated in electronic engineering from the Instituto Tecnológico de Aeronáutica (ITA – Brazil) and has never hidden his sincere passion for mathematics (mainly the fields of synthetic geometry and trigonometry). Alexandre maintains a personal blog in which he discusses topics related to networking and security technologies at http://alexandremspmoraes.wordpress.com/.

Customer Reviews

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Cisco Firewalls 4.6 out of 5 based on 0 ratings. 7 reviews.
RICO_PER More than 1 year ago
This was the book missing on my shelf. Definitely, a book that is able to explain network security to newbies like me. It starts with really basic concepts and gradually takes the reader to the most advanced topics ever. Gosh, I've learned a lot with this book - Firewalls and Voice, NAT entries and their precedence, Zone-Based Policy Firewall. 5-star-worth book ! No doubt !
Aleph_RTP More than 1 year ago
I started reading this book and it looks really great. 1) The examples are very structured and complement the theoretical aspects. 2) Easy reading. The text flow is very smooth. 3) Interesting topics such as IPv6, Multicast and Telephony protocols are covered. 4) Not product-centric. So many important concepts are discussed and carefully illustrated via meaningful examples. Actually a very useful reference.
Greg_Texas More than 1 year ago
This book is incredible, both in terms of contents and approach. If you are experienced with Cisco gear (IOS and ASA) jump to chapter 4 and learn about the available tools that demonstrate Firewall operations. You will then use this tool set on the remaining chapters. If you are just beginning, read from cover to cover (chapters 1 through 3 will guide you through the basics). Some highlights: a) The examples are organized and very well thought of. (While reading was trying to figure out the great deal of effort to put this content together). b) Very pleasant to read. c) Everything concept is explained and illustrated. Indispensable for CCIE candidates. d) ASA and IOS are dealt with in parallel e) The author does not waste pages on hardware details (because hardware changes frequently and Cisco's site will always be a better reference to find this class of information) f) ASA NAT (classic headache for CCIE candidates) is thoroughly analyzed (before and after 8.3) g) Application inspection is demonstrated. Voice stuff deserved one dedicated chapter (very organized). h) Virtualization study from the architecture level to the details. i) And much more... Amazing reference !!
Alfred_MC More than 1 year ago
Overall the book is very well written and insightful. But if I were to mention one topic it would be the coverage of ASA NAT (from the initial implementation to the new paradigm of 8.3). Great examples and a must read for anyone transitioning to ASA 8.3 and beyond. Very worth reading !!
Werner123 More than 1 year ago
Very nice book ! The reading experience is smooth. The content is very structured and, even more important, useful ! Those complex topics such as ASA NAT, L7 Inspection, Telephony Security with ASA are examined in an incredible amount of detail. And it will work fine as a study reference for the Security CCIE and some of the CCNP tests (FIREWALL and SECURE basically...) Highly recommended !
akpose More than 1 year ago
Cisco Firewalls play a critical role in the security fabric of the Internet as Cisco maintains its commanding market leadership in network gears. Alexandre Moreas' book provides a guided tour of Cisco firewall portfolio and where they may fit in an enterprise's security architecture. This book's primary audience includes the broad community of security engineers, particularly those responsible for administering firewall systems. Organized into seventeen chapters, the book starts with a primer to firewalls in general, lays out the key Cisco firewall architecture, and delves into implementation and deployment scenarios. Chapter 1 is an interesting exploration of the role of firewalls in network security. A cursory review of firewall technological advances and a description of firewall categories including packet filters, proxies and stateful firewall. Much of the chapter is devoted to the concept of stateful firewall, the technology driving most next generation firewall technologies. Chapter 2 is an overview of Cisco family of firewalls as at the time of writing the book. The chapter covers Cisco ASA (adaptive security appliances) appliances, Cisco FSM (firewall services module) and IOS-based firewall features. This chapter reads like a buyers guide to Cisco firewall solutions and the treatment of CPS and PPS will come handy for security solutions designers. Chapter 3 is a presentation of the basic configuration tasks necessary to implement a Cisco firewall solution. The chapter attempts to provide a complete guide for the various firewall families presented in chapter 2. Nothing you wouldn't find in a cisco manual, the organization however helps to focus your attention on what is essential. Chapter 4 is the administrator delight. Moreas took the reader through various additional configuration and basic performance monitoring tools. While the emphasis was on IOS commands, the near moribund Cisco MARS was also introduced as a logging facility for firewalls. Chapter 5 is an exploration of firewalls in a network topology and the author explored the interaction between key routing protocols; including RIP, EIGRP, OSPG, and EGP; and Cisco firewalls. Chapter 6 is an interesting addition that focuses on IOS features that could come handy in protecting a virtualized network. The chapter covers not only the virtual machine scenario but also present some of cisco's efforts at virtualized networking, including the age-old VLAN, virtual routing an forwarding (VRF) and virtual contexts. Chapters 7 & 8 present two alternate configuration environments for ASA (adaptive security algorithm - a core algorithm for many of Cisco's current and next generation firewall families) - one with NAT (chapter 8) and the other without NAT. Cisco IOS Firewall is built into all Cisco routers and many cisco switches. While not the most efficient solution for medium to large organizations with heavy traffic, it is often adequate for small shops with lower transaction requirements. The author present an overview of IOS firewall in chapter emphasizing Cisco's Context Based Access Control (CBAC), another term for stateful firewalls. Zone-based Policy Firewall (ZFW) is the more recent incarnation of stateful firewalls, which provides support for security partitions or zones, improving security designers' options. Chapter 10 presents an overview of ZFW with some configuration options. Chapters 11 and 12 provide explore additional tools available to Cisco
Boudville More than 1 year ago
The size of the book gives you some idea of the amount of effort Cisco has put into its firewalls, which are a fundamental concept for protecting your private network from intruders. Chapter 3 describes using the Command Line Interface [CLI]. A purely text based output to a terminal. A network sysadmin should spend some time playing around with the CLI commands to garner familiarity at the basic level. From the chapter, you can learn the power of the various commands. These let you configure important items like a DHCP server and client, for example. The next chapter has the overarching aim of encouraging your to think in terms of better security designs. It tries to do this by explaining key tools that Cisco has built to study network traffic. Like Netflow v9, which appears quite easy to use and valuable when its output is sent to the graphical interface of MARS. Much of chapter 4 goes between looking at examples in CLI and of a GUI. There are advantages to both. A newbie might find running a GUI easier, especially if she comes from a background in another vendor's equipment. There is a very useful method of doing a task via the GUI and seeing the corresponding CLI commands. From this you can construct a template to use repeatedly. The CLI approach is well suited to experienced sysadmins and to those wanting to run scripts across several network devices. The rest of the book expands on other capabilities of the firewalls. Very elaborate. Unfortunately, the start of the book, in chapter 1, has been sloppily written. To wit: On page 4, "it is necessary to implement security solutions that cannot [sic] mitigate the risks". Hilarious. The meaning has been inverted. The correct word is can. On page 9, in Figure 1-6, the boxes for SrcPort-T1 and SrcPort-T2 should be shaded. On page 21, in Figure 1-15, the right "Internet Access" label should say "Internet Presence". The problem is that a reader who carefully starts at this chapter might see these and go no further; being deterred by these flaws. The book lists 2 technical reviewers, who appear to have dropped the ball.