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Authoritative Answers to All Your Linux Security Questions—Specifically for Linux Administrators This is the most complete, most advanced guide to Linux security you'll find anywhere. Written by a Linux security expert with over a decade of experience, Linux Security teaches you, step-by-step, all the standard and advanced techniques you need to know to keep your Linux environment safe from threats of all kinds. Hundreds of clear, consistent examples illustrate these techniques in detail†so you stay on track and accomplish all your goals. Coverage includes: Understanding information and system security procedures Developing a corporate security policy Designing and deploying an effective system and network monitoring strategy Managing the network services offered by Linux servers Understanding Sendmail security, including authentication and privacy Providing application-level mail security using PGP Designing and deploying an Apache HTTP server, including SSL extensions Securing your Samba server Building a network layer firewall using IPtables and Linux kernel v.2.4 Using the NEC SOCKS5 transport layer firewall Deploying the TIS firewall toolkit Offering secure remote connectivity with IPsec and PPTP VPNs Adding strong user authentication to Linux servers using Kerberos Understanding the Linux Pluggable Authentication Modules (PAM)
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A strategic guide to mastering service provider relationships Well-known business management consultant and Boston Globe columnist Mary Helen Gillespie helps business and IT managers navigate through the confusing technology-driven landscape of service providers. Offering insight into the points of view for both the service provider and client, Gillespie guides readers through available services, from Internet access and applications service providers, to wireless and networking services and IT management services. Readers will find business models, overviews of the enabling technologies, coverage of economic and management issues, and clear descriptions of service offerings within each provider type. Most importantly, decision makers will be able to choose the right service provider to meet their needs and develop strategic partnerships when outsourcing non-core business functions.
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Plan, execute, and sustain a successful IT campaign with Sam Bansal's perfect scorecard approach First came the dot.com bust, then the IT squeeze. Despite software being the tail that wags the dog in most corporations, the cham-pions of IT, the CIOs, are constantly under fire to justify and maximize their IT investments—past, present, and future. Learn how to establish Key Performance Indicators and Value Scorecards for IT to ensure maximum value in your corporation with the step-by-step approach found in Sam Bansal's Technology Scorecards. Drawing on Dr. Bansal's over forty years of field experience in the management of large and complex projects, Technology Scorecards shows you how to: Create Scorecards geared towards your organization's business goals Make quantum improvements in cost, value, and productivity using KPIs and Scorecards Increase your company's net by as much as 100% just by improving your supply chain management by 50% Impact your top line the most through product life-cycle management Develop a realistic strategy through Scorecards, which can then be used to drive IT investments that maximize your business performance Enhance profitability. Streamline strategy execution. Lower costs. Learn how to align your IT plans with your business objectives and optimize your company's overall performance with the perfect scorecard approach found in Technology Scorecards.
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The only guide to managing and integrating the open source model With the phenomenal success of Linux, companies are taking open source business solutions much more seriously than ever before. This book helps to satisfy the growing demand for guidance on how to manage open source enterprise development projects. Expert Jan Sandred explores the open source philosophy, describes current software tools for managing open source projects, and provides expert guidance on how to organize and manage open source projects using the Internet as a collaboration tool. With the help of several fascinating and instructive case studies, Sandred explores practical concerns such as building, motivating, and managing virtual teams; structuring tasks and meeting deadlines; establishing trust; project management software tools; maintaining project security; and more.
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What every IT manager and system administrator needs to know about the technology that drives the B2B marketplace The B2B marketplace is rapidly exploding–fast outpacing business-to-consumer e-commerce and expected to reach more than $7 trillion in sales by 2004. This guidebook equips XML authors, programmers, and managers with the technology know-how they need to create and develop simple yet robust B2B systems from scratch. It provides easy-to-understand explanations on how and why XML and other important technologies such as HTTP and MIME are driving the B2B marketplace. Along with XML and Java code examples, readers will find broad coverage of emerging standards and protocols, including Simple Object Access Protocol (SOAP), ebXML from OASIS/UN/CEFACT, XML Common Business Language (xCBL), BizTalk, and Commerce XML (cXML).
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The #1 menace for computer systems worldwide, network hacking can result in mysterious server crashes, data loss, and other problems that are not only costly to fix but difficult to recognize. Author John Chirillo knows how these can be prevented, and in this book he brings to the table the perspective of someone who has been invited to break into the networks of many Fortune 1000 companies in order to evaluate their security policies and conduct security audits. He gets inside every detail of the hacker's world, including how hackers exploit security holes in private and public networks and how network hacking tools work. As a huge value-add, the author is including the first release of a powerful software hack attack tool that can be configured to meet individual customer needs.
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Learn how to use BSD UNIX systems from the command line with BSD UNIX Toolbox: 1000+ Commands for FreeBSD, OpenBSD and NetBSD. Learn to use BSD operation systems the way the experts do, by trying more than 1,000 commands to find and obtain software, monitor system health and security, and access network resources. Apply your newly developed skills to use and administer servers and desktops running FreeBSD, OpenBSD, NetBSD, or any other BSD variety. Become more proficient at creating file systems, troubleshooting networks, and locking down security.
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The world of IT is always evolving, but in every area there are stable, core concepts that anyone just setting out needed to know last year, needs to know this year, and will still need to know next year. The purpose of the Foundations series is to identify these concepts and present them in a way that gives you the strongest possible starting point, no matter what your endeavor. Java Foundations provides essential knowledge about what has arguably become the world's most important programming language. What you learn here will benefit you in the short term, as you acquire and practice your skills, and in the long term, as you use them. Topics covered include: The history of Java Java fundamentals Keywords and operators Flow control Arrays Basic and advanced concepts in object-oriented programming Exception handling Standard Java API classes The collections framework
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Taking readers through the basics of the language, right up to some more advanced topics, this book is a practical, hands-on resource and aims to keep the reader involved at all times Focuses on the SQL standard and is loaded with detailed examples and code; each chapter includes practice exercises that readers can challenge themselves with before looking at the sample solutions in the appendix Paul Wilton is a successful Wrox «Beginning» book author and is an ideal author to write for those who want a firm grasp of standard SQL before learning the details specific to a particular database product SQL is an international standard for manipulating data in databases and is used by database programmers in all major database systems: Microsoft, IBM, Oracle, MySQL, and many others
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Beginning Algorithms A good understanding of algorithms, and the knowledge of when to apply them, is crucial to producing software that not only works correctly, but also performs efficiently. This is the only book to impart all this essential information-from the basics of algorithms, data structures, and performance characteristics to the specific algorithms used in development and programming tasks. Packed with detailed explanations and instructive examples, the book begins by offering you some fundamental data structures and then goes on to explain various sorting algorithms. You'll then learn efficient practices for storing and searching by way of hashing, trees, sets, and maps. The authors also share tips on optimization techniques and ways to avoid common performance pitfalls. In the end, you'll be prepared to build the algorithms and data structures most commonly encountered in day-to-day software development. What you will learn from this book The basics of algorithms, such as iteration and recursion Elementary data structures such as lists, stacks, and queues Basic and advanced sorting algorithms including insertion sort, quicksort, and shell sort Advanced data structures such as binary trees, ternary trees, and heaps Algorithms for string searching, string matching, hashing, and computational geometry How to use test-driven development techniques to ensure your code works as intended How to dramatically improve the performance of your code with hands-on techniques for profiling and optimization Who this book is for This book is for anyone who develops applications, or is just beginning to do so, and is looking to understand algorithms and data structures. An understanding of computer programming is beneficial. Wrox Beginning guides are crafted to make learning programming languages and technologies easier than you think, providing a structured, tutorial format that will guide you through all the techniques involved.
