Cryptographic techniques have applications far beyond the obvious uses of encoding and decoding information. For Internet developers who need to know about capabilities, such as digital signatures, that depend on cryptographic techniques, there's no better overview than Applied Cryptography, the definitive book on the subject. Bruce Schneier covers general classes of cryptographic protocols and then specific techniques, detailing the inner workings of real-world cryptographic algorithms including the Data Encryption Standard and RSA public-key cryptosystems. The book includes source-code listings and extensive advice on the practical aspects of cryptography implementation, such as the importance of generating truly random numbers and of keeping keys secure.

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Written by one of our CCIE instructors, this text serves as a preparation for the practical portion of the Cisco Certified Internetwork Expert (CCIE) examination, in which you have to configure and troubleshoot networks on Cisco equipment in a testing lab. There's simply so much the test proctor can throw at you, and you have to be prepared for it all. CCIE Practical Studies, Volume I does a fantastic job of preparing you for much of what you can expect to see on the first day of your CCIE lab exam. Karl Solie first approaches each subject on the CCIE syllabus with a quick academic overview. That gives way to a series of examples ("Here's a typical set of customer requirements, and here are the IOS commands and configuration files that satisfy them"). Finally, a series of subject-specific lab exercises drill you on the Cisco skills related to the technology at hand. Solie explains how he'd solve the lab--in wonderful detail--immediately after the pages that describe these small lab tasks.

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Gain hands-on experience for the CCIE Lab Exam with volume two of the best-selling CCIE Practical Studies title from Cisco Press.

• Experience putting concepts into practice with lab scenarios that guide you in applying what you know
• Learn how to build a practice lab for your CCIE lab exam preparation
• Take five full-blown practice labs that mimic the actual lab exam environment

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Written by one of our security instructors, this guide to the Cisco Secure Access Control Server instructs you to:

• Improve security for network users connecting from home or remote offices
• Build safer, more secure and accessible telecommuter networks
• Master AAA (authentication, authorization, and account) management for users connecting from unsecured sites into the secure corporate network
• Review deployment and management strategies for the Cisco Secure ACS product line

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In defending your systems against intruders and other meddlers, a little knowledge can be used to make the bad guys -- particularly the more casual among them -- seek out softer targets. Counter Hack aims to provide its readers with enough knowledge to toughen their Unix and Microsoft Windows systems against attacks in general, and with specific knowledge of the more common sorts of attacks that can be carried out by relatively unskilled "script kiddies." The approach author Ed Skoudis has chosen is effective, in that his readers accumulate the knowledge they need and generally enjoy the process.

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The author of the 1994 sleeper Hackers reveals how a group of men developed methods for encrypting digital transmissions for use in the private sector. As the digital age was dawning in the late 1970s, a major stumbling block to delivering information and conducting transactions via high-speed networks was the lack of security from outside parties who might wish to intercept the data (even though the National Security Agency had acres of computers dedicated to protecting government secrets and even more designed to decode other countries' messages). Widely available systems only began to emerge after a range of free thinkers, including such crypto legends as Whit Diffie and Marty Hellman, began to devote their considerable mind power to the issue. After a slow start, Levy's story steadily builds momentum as the crypto pioneers do battle with the NSA, look for ways to commercialize their discoveries and fight for the federal government's approval of the strongest encryption methods.

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Enhanced IP Services for Cisco Networks presents highly complex information in a relaxed, informal manner to allow for ease of understanding and application. Sample router configurations are integrated throughout the book with the intent to show what can be managed, explain reasons for deployment, and instruct on possible configuration alternatives. A comprehensive analysis of routing protocols, the book's primary focus always circles back to the management and deployment of these routing protocols -- a unique approach of this subject today. It presents a guide to the new enabling and advanced IOS services that build more scalable, intelligent, and secure networks. The book also provides a useful and instructive breakdown of each enhanced service; what it is, why you need it, how it works, how to deploy it, and how to validate it.

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Essential information for anyone wanting to protect Internet-connected computers from unauthorized access. Includes: thorough discussion of security-related aspects of TCP/IP; step-by-step plans for setting up firewalls; hacking and monitoring tools the authors have built to rigorously test and maintain firewalls; pointers to public domain security tools on the net; first-hand step-by-step accounts of battles with the "Berferd" hackers; and practical discussions of the legal aspects of security.

Focusing on Unix network security, this guide reviews the TCP/IP protocol suite, identifies the techniques used to attack hosts and networks, and evaluates authentication tools, types of firewalls, and filtering services. The second edition adds chapters on the problems and practices of modern intranets, and the variety of intrusion detection systems.

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From the best-selling co-authors of the world-renowned book, Hacking Exposed, comes Hacking Windows 2000 Exposed. You'll learn, step-by-step, how to defend against the latest attacks by understanding how intruders enter and pilfer compromised networks and weaknesses in password encryption, domain control, Web and IIS 5 communications, LM/NTLM protocols, Active Directory, NetBIOS services, and much more.

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This latest release of Interconnections is a competent update of a networking classic. Radia Perlman explains hundreds of details about getting computers -- and computer networks -- to talk to one another smoothly, accurately, and efficiently. Perlman, inventor of the spanning-tree bridging algorithm, covers the Open Systems Interconnect (OSI) reference model, bridges, switches, hubs, Virtual Local Area Networks (VLANs), plus connection-based and connectionless networks. She also does a great job of explaining the underpinnings of internetworking protocols, including packet format, addressing, routing (both generically and in terms of RIP, RTMP, OSPF, and other protocols), and security. There's plenty of IPv6 information here, mostly from a theoretical vantage point.

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An in-depth look at individual TCP/IP protocols in light of design alternatives, implementation techniques with actual ANSI C code, and the internals of protocol software. This book uses the widely accepted data-mark interpretation of TCP urgent data, a discussion of the consequences is included. Throughout the book the authors use a working system, which they designed and built using ANSI C, to explain the interaction among protocols, the complete implementation process, and the internal structure. Reflects changes in the protocol standards and updates the example code to ANSI standard C. Defines data structures, constants, and code for procedures and processes in ANSI standard C. Provides active experimentation with a working TCP/IP implementation. Implementation support for the IGMP protocol used for IP multicasting and multicast OSPF routing protocol used in applications such as audio and video multicast. Unique coverage of the Open Shortest path First link-state routing protocol designed by the IETF.

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Queueing networks are particularly important as digital communications continue to grow; this text provides a through and comprehensive introduction to the concept of applying mathematical queueing network theory to data communications. New additions: G-nets, i.e. generalized (or "Gelenbe") queueing networks which allow the analysis of on-line network control functions such as traffic re-routing, and discrete time queueing networks with application to ATM networks.

The authors focus on the practical approach where aspects of queueing theory are applied directly to communications systems and networks. Included is a series of exercises and examples at the end of each chapter as well as a fully annotated bibliography.

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This no-nonsense troubleshooting guide was written for frontline managers who want results, not rhetoric. Short on theory and long on practical, hands-on advice and guidance, it arms you with proven, easy-to-implement solutions to big ticket problems that plague today's software development projects, including those relating to personnel, quality, project scheduling and tracking, product requirements, product quality and usability, and much more. Written in a straightforward, conversational style and packed with realistic scenarios, Managing Software Development Projects, Second Edition shows you how to: identify, resolve, and avoid most common development problems; improve the quality of your products and your customers' satisfaction with them; shorten development cycles; increase the productivity of your team members.

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You get hands-on involvement from the start, using a no-fail template that itemizes all the details you’ll need to gain support from your senior management and buy-in from the entire staff. You’ll see your own customized security plan template begin to take shape as you complete the accompanying worksheets. Choose any one of the security plans outlined in this book, and you will be able to protect your data and deter hackers. And by implementing the proven strategies Greenberg details, you can secure your company’s competitive edge for the long term.

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This book begins by laying out a history of espionage that clearly shows that when a new technology or technique becomes available to the information gatherers in public and private sectors, they can quickly be adopted for Netspionage use. It then moves on to describe how the Internet and associated technologies have already revolutionized the collection and analysis of competitive information. The authors present a set of the known incidents and then outline protective measures that will reduce the potential and consequences of netspionage.

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Jeff Doyle begins this volume with a review of several basic topics, including a chapter that outlines the parameters of TCP/IP itself. Though some may already be familiar with that material, the sections on dynamic and static routing serve as valuable review material for readers of all levels. The second part deals with TCP/IP interior routing protocols, such as Routing Information Protocol (RIP), Interior Gateway Routing Protocol (IGRP), and Open Shortest Path First (OSPF). The book ends on a challenging note with explanations of route redistribution, route filtering, and the like. This all-encompassing TCP/IP text defines completeness with its 1,000-plus pages and hundreds of configuration screens, exercises, charts, tables, and references. Routing TCP/IP is required reading for those readers with the ambitious goal to both understand the protocol and excel on the CCIE exam.

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Explains how to use traffic engineering and queuing theory to design cost-effective networks that meet performance goals. Dozens of tables cover various types of networks, such as voice, data, and ACDs.

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This book provides encyclopedic coverage of the TCP/IP protocol suite. What sets this book apart from others on this subject is the fact that the author supplements all of the discussion with data collected via diagnostic programs; thus, it is possible to "watch" the protocols in action in a real situation. Also, the diagnostic tools involved are publicly available; the reader has the opportunity to play along at home. This offers the reader an unparalleled opportunity to really get a feel for the behavior of the protocols in day-to-day operation. TCP/IP Illustrated, Volume 1: The Protocols features clear discussions and well-designed figures.

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