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Hardening Cisco Routers (O'Reilly Networking)
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by Thomas Akin
Sales Rank: 81500
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List Price: $24.95
$16.47
At Amazon
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Paperback: 190 pages
Publisher: O'Reilly Media, Inc.; 1 edition February 2002
Language: English
ISBN-10: 0596001665
ISBN-13: 978-0596001667
Product Dimensions:
9.1 x 6.9 x 0.6 inches
Shipping Weight: 11.4 ounces
Product Review
To harden a router is to render it more heavily defended and more difficult to attack. Because routers (by definition) serve as points of entry into your network, it makes sense to devote extra effort to their security. Hardening Cisco Routers shows how to make adjustments to the configurations of routers from Cisco Systems to improve their resistance to attack, particularly external attack. This is essentially a book of specialized Internetwork Operating System (IOS) commands, as well as explanations of their behavior. It'll appeal to the router administrator--employed either by an organization's internal network staff, an outside consultancy, or a service provider--who wants to know which IOS commands he or she should add to routers' configuration files to tighten their security without a lot of hassle.
The great thing about this book is that you can approach it in either of two ways. If you just want to clamp down on your routers' security weaknesses as soon as possible, you can begin with the checklists at the end of each chapter (each of which focuses on a particular area, like SMTP) or the big one in an appendix, which is comprehensive. These checklists include both "how" and "why" information, as exemplified by "Disable ICMP broadcasts with the no ip directed-broadcast command." If you want more information on the big picture, or want to prepare for a specific kind of attack, read the individual chapters for detailed advice on how to set IOS to behave as you want. --David Wall
Topics covered: Internetwork Operating System (IOS) commands you can use to protect Cisco Systems routers from a variety of attacks. Specialized sections deal with security assessment, auditing, access control, privileges, optional services, and the legal importance of your login banners' contents.
Product Description
As a network administrator, auditor or architect, you know the importance of securing your network and finding security solutions you can implement quickly. This succinct book departs from other security literature by focusing exclusively on ways to secure Cisco routers, rather than the entire network. The rational is simple: If the router protecting a network is exposed to hackers, then so is the network behind it. "Hardening Cisco Routers" is a reference for protecting the protectors. Included are the following topics:
The importance of router security and where routers fit into an overall security plan
Different router configurations for various versions of Cisco's IOS
Standard ways to access a Cisco router and the security implications of each
Password and privilege levels in Cisco routers
Authentication, Authorization, and Accounting (AAA) control
Router warning banner use (as recommended by the FBI)
Unnecessary protocols and services commonly run on Cisco routers
SNMP security
Anti-spoofing
Protocol security for RIP, OSPF, EIGRP, NTP, and BGP
Logging violations
Incident response
Physical security
Written by Thomas Akin, an experienced Certified Information Systems Security Professional (CISSP) and Certified Cisco Academic Instructor (CCAI), the book is well organized, emphasizing practicality and a hands-on approach. At the end of each chapter, Akin includes a Checklist that summarizes the hardening techniques discussed in the chapter. The Checklists help you double-check the configurations you have been instructed to make, and serve as quick references for future security procedures.
Concise and to the point, "HardeningCisco Routers" supplies you with all the tools necessary to turn a potential vulnerability into a strength. In an area that is otherwise poorly documented, this is the one book that will help you make your Cisco routers rock solid.
Customer Reviews & Comments
Intended audiences: network administrators, security advisors/auditors, system architects. This book is, pound for pound, among the best in my technical library. Having almost no previous knowledge in router hardening (although I was aware of the basics of Cisco routers) a few hours with this book enabled me to review the "hardening" plan submitted by a highly paid security consultant, and provide useful comments on improving the proposal. No doubt this book is the beginning, not the end, of my education on this subject. But this fine book got me off to a quick and productive start, which is high praise when compared to what could be said about so many other technical titles. Highly recommended.
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Hardening Cisco Routers (O'Reilly Networking)
List Price: $24.95
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Price: $16.47
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