Download or read book VPNs written by John Mairs and published by Network Professional's Library. This book was released on 2002 with total page 514 pages. Available in PDF, EPUB and Kindle. Book excerpt: Beginners network professionals can learn how to set up a Virtual Private Network in the most secure and cost-effective way. Includes VPN blueprints for one of the fastest growing and secure methods for connecting branch offices.

Download or read book VPNs Illustrated written by Jon C. Snader and published by Addison-Wesley Professional. This book was released on 2015-01-09 with total page 701 pages. Available in PDF, EPUB and Kindle. Book excerpt: Virtual private networks (VPNs) based on the Internet instead of the traditional leased lines offer organizations of all sizes the promise of a low-cost, secure electronic network. However, using the Internet to carry sensitive information can present serious privacy and security problems. By explaining how VPNs actually work, networking expert Jon Snader shows software engineers and network administrators how to use tunneling, authentication, and encryption to create safe, effective VPNs for any environment. Using an example-driven approach, VPNs Illustrated explores how tunnels and VPNs function by observing their behavior "on the wire." By learning to read and interpret various network traces, such as those produced by tcpdump, readers will be able to better understand and troubleshoot VPN and network behavior. Specific topics covered include: Block and stream symmetric ciphers, such as AES and RC4; and asymmetric ciphers, such as RSA and EIGamal Message authentication codes, including HMACs Tunneling technologies based on gtunnel SSL protocol for building network-to-network VPNs SSH protocols as drop-in replacements for telnet, ftp, and the BSD r-commands Lightweight VPNs, including VTun, CIPE, tinc, and OpenVPN IPsec, including its Authentication Header (AH) protocol, Encapsulating Security Payload (ESP), and IKE (the key management protocol) Packed with details, the text can be used as a handbook describing the functions of the protocols and the message formats that they use. Source code is available for download, and an appendix covers publicly available software that can be used to build tunnels and analyze traffic flow. VPNs Illustrated gives you the knowledge of tunneling and VPN technology you need to understand existing VPN implementations and successfully create your own.

Download or read book Comparing Designing and Deploying VPNs written by Mark Lewis (CCIE.) and published by Adobe Press. This book was released on 2006 with total page 1082 pages. Available in PDF, EPUB and Kindle. Book excerpt: A detailed guide for deploying PPTP, L2TPv2, L2TPv3, MPLS Layer-3, AToM, VPLS and IPSec virtual private networks.

Download or read book Mastering VPN written by Cybellium Ltd and published by Cybellium Ltd. This book was released on 2023-09-26 with total page 266 pages. Available in PDF, EPUB and Kindle. Book excerpt: Unlock the Secrets to Secure and Private Internet Connections Are you ready to take control of your online privacy and security? "Mastering VPN" is your comprehensive guide to understanding and harnessing the power of Virtual Private Networks. Whether you're a tech enthusiast looking to secure your internet connection or an IT professional aiming to safeguard your organization's data, this book equips you with the knowledge and tools to establish a secure and private online presence. Key Features: 1. Comprehensive Exploration of VPN Fundamentals: Dive deep into the core principles of Virtual Private Networks, understanding how they work, the types available, and their applications. Build a strong foundation that empowers you to take charge of your online security. 2. Understanding Online Threats: Navigate the complex world of online threats, from hackers and cybercriminals to invasive surveillance and data breaches. Learn about the risks you face and how VPNs can mitigate them effectively. 3. Choosing the Right VPN Solution: Discover strategies for selecting the ideal VPN solution for your needs. Explore considerations such as encryption protocols, server locations, logging policies, and compatibility with different devices and platforms. 4. Setting Up and Configuring VPNs: Master the art of setting up and configuring VPN connections on various devices and operating systems. Learn step-by-step instructions to ensure a seamless and secure VPN experience. 5. Privacy and Anonymity: Dive into the world of online privacy and anonymity with VPNs. Understand how VPNs can protect your personal data, shield your online activities from prying eyes, and enable you to browse the internet without leaving a digital trail. 6. VPN for Bypassing Restrictions: Explore the role of VPNs in bypassing geo-restrictions and censorship. Learn how to access blocked content, enjoy unrestricted streaming, and navigate the internet freely regardless of your location. 7. Mobile and Remote Access Security: Uncover strategies for securing mobile and remote access using VPNs. Learn how to protect sensitive data and maintain a secure connection when accessing networks from remote locations. 8. VPN Best Practices: Delve into best practices for using VPNs effectively. Discover tips for maintaining optimal connection speeds, troubleshooting common issues, and ensuring your VPN setup remains secure. 9. Business and Enterprise VPN Solutions: Explore the application of VPNs in the business and enterprise environment. Learn how to establish secure connections for remote workers, protect sensitive company data, and implement robust VPN solutions. 10. Future of VPN Technology: Gain insights into the future of VPN technology. Explore emerging trends, advancements in encryption, and the evolving landscape of online security. Who This Book Is For: "Mastering VPN" is an essential resource for individuals, professionals, and organizations seeking to enhance their online security and privacy. Whether you're a casual internet user or an IT expert responsible for safeguarding sensitive data, this book will guide you through the intricacies of VPNs and empower you to establish a secure and private online presence.

Download or read book Network Security Firewalls and VPNs written by J. Michael Stewart and published by Jones & Bartlett Publishers. This book was released on 2013-07-11 with total page 503 pages. Available in PDF, EPUB and Kindle. Book excerpt: This fully revised and updated second edition provides a unique, in-depth look at the major business challenges and threats that are introduced when an organization's network is connected to the public Internet. It provides a comprehensive explanation of network security basics, including how hackers access online networks and the use of Firewalls and VPNs to provide security countermeasures. Using examples and exercises, this book incorporates hands-on activities to prepare the reader to disarm threats and prepare for emerging technologies and future attacks. Topics covered include: the basics of network security--exploring the details of firewall security and how VPNs operate; how to plan proper network security to combat hackers and outside threats; firewall configuration and deployment and managing firewall security; and how to secure local and internet communications with a VP. --

Download or read book Building Linux Virtual Private Networks VPNs written by Oleg Kolesnikov and published by Sams Publishing. This book was released on 2002 with total page 412 pages. Available in PDF, EPUB and Kindle. Book excerpt: The authors meet the growing demands of de-centralized companies that need a secure and functional network using Linux. The only book available that extensively covers the combination of VPN technology and Linux, this volume teaches first hand how to build various VPN solutions with individual setup guides.

Download or read book SSL Remote Access VPNs Network Security written by Qiang Huang and published by Cisco Press. This book was released on 2008-06-10 with total page 439 pages. Available in PDF, EPUB and Kindle. Book excerpt: SSL Remote Access VPNs An introduction to designing and configuring SSL virtual private networks Jazib Frahim, CCIE® No. 5459 Qiang Huang, CCIE No. 4937 Cisco® SSL VPN solutions (formerly known as Cisco WebVPN solutions) give you a flexible and secure way to extend networking resources to virtually any remote user with access to the Internet and a web browser. Remote access based on SSL VPN delivers secure access to network resources by establishing an encrypted tunnel across the Internet using a broadband (cable or DSL) or ISP dialup connection. SSL Remote Access VPNs provides you with a basic working knowledge of SSL virtual private networks on Cisco SSL VPN-capable devices. Design guidance is provided to assist you in implementing SSL VPN in existing network infrastructures. This includes examining existing hardware and software to determine whether they are SSL VPN capable, providing design recommendations, and guiding you on setting up the Cisco SSL VPN devices. Common deployment scenarios are covered to assist you in deploying an SSL VPN in your network. SSL Remote Access VPNs gives you everything you need to know to understand, design, install, configure, and troubleshoot all the components that make up an effective, secure SSL VPN solution. Jazib Frahim, CCIE® No. 5459, is currently working as a technical leader in the Worldwide Security Services Practice of the Cisco Advanced Services for Network Security. He is responsible for guiding customers in the design and implementation of their networks, with a focus on network security. He holds two CCIEs, one in routing and switching and the other in security. Qiang Huang, CCIE No. 4937, is a product manager in the Cisco Campus Switch System Technology Group, focusing on driving the security and intelligent services roadmap for market-leading modular Ethernet switching platforms. During his time at Cisco, Qiang has played an important role in a number of technology groups, including the Cisco TAC security and VPN team, where he was responsible for trouble-shooting complicated customer deployments in security and VPN solutions. Qiang has extensive knowledge of security and VPN technologies and experience in real-life customer deployments. Qiang holds CCIE certifications in routing and switching, security, and ISP Dial. Understand remote access VPN technologies, such as Point-to-Point Tunneling Protocol (PPTP), Internet Protocol Security (IPsec), Layer 2 Forwarding (L2F), Layer 2 Tunneling (L2TP) over IPsec, and SSL VPN Learn about the building blocks of SSL VPN, including cryptographic algorithms and SSL and Transport Layer Security (TLS) Evaluate common design best practices for planning and designing an SSL VPN solution Gain insight into SSL VPN functionality on Cisco Adaptive Security Appliance (ASA) and Cisco IOS® routers Install and configure SSL VPNs on Cisco ASA and Cisco IOS routers Manage your SSL VPN deployment using Cisco Security Manager 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. Category: Networking: Security Covers: SSL VPNs

Download or read book Building MPLS based Broadband Access VPNs written by Kumar Reddy and published by Cisco Press. This book was released on 2005 with total page 416 pages. Available in PDF, EPUB and Kindle. Book excerpt: Several trends are hastening the use of MPLS-based VPNs in broadband networks. With this rapid evolution, networking professionals need resources like this new volume.

Download or read book Virtual Private Networks written by Dennis Fowler and published by Morgan Kaufmann. This book was released on 1999-05-21 with total page 244 pages. Available in PDF, EPUB and Kindle. Book excerpt: "Dennis Fowler provides an insightful view to both the business benefits and technical requirements to VPNs. His examples of other customers' experiences with VPNs breathe life into the discussion." From the Foreword by Susan Scheer Aoko, Cisco systems, Inc. Network-dependent companies are excited by the benefits promised by the virtual private network, including lower costs, greater flexibility, and improvements in connectivity. But they also have questions: What benefits are real? How can they be measured? What are the expenses and the dangers? Virtual Private Networks: Making the Right Connection is an intelligent introduction written especially for business and IT professionals who want a realistic assessment of what a VPN can provide for their organizations. Covering advantages and risks, this book expands your understanding of what you can do with a VPN, while detailing all that implementing it will demand of you. With its help, you'll find your way through VPN hype to the answers you need to make sound decisions. Features Thoroughly explains VPN concepts and technologies, and examines the potential of VPNs as intranets, extranets, and remote access solutions. Covers essential VPN topics like tunneling, encapsulation, encryption, security, and protocols. Provides detailed points of comparison between typical VPN costs and the costs of maintaining traditional WANs. Offers frank consideration of the hidden costs and risks sometimes associated with VPNs, helping you decide if a VPN is right for you. Lists and assesses the software and hardware products you may need to implement a VPN. Discusses both Internet-based VPNs and VPN services offered by providers of "private" ATM and frame relay networks, detailing the pros and cons of each.

Download or read book Virtual Private Networks written by Charlie Scott and published by "O'Reilly Media, Inc.". This book was released on 1999 with total page 238 pages. Available in PDF, EPUB and Kindle. Book excerpt: Historically, only large companies could afford secure networks, which they created from expensive leased lines. Smaller folks had to make do with the relatively untrusted Internet. Nowadays, even large companies have to go outside their private nets, because so many people telecommute or log in while they're on the road. How do you provide a low-cost, secure electronic network for your organization?The solution is a virtual private network: a collection of technologies that creates secure connections or "tunnels" over regular Internet lines--connections that can be easily used by anybody logging in from anywhere. A number of products now exist to help you develop that solution.This book tells you how to plan and build a VPN. It starts with general concerns like costs, configuration, and how a VPN fits in with other networking technologies like firewalls. It continues with detailed descriptions of how to install and use VPN technologies that are available for Windows NT and Unix, such as PPTP and L2TP, Altavista Tunnel, Cisco PIX, and the secure shell (SSH).New features in the second edition include SSH, which is a popular VPN solution for Unix systems, and an expanded description of the IPSec standard, for which several vendors have announced support.Topics include: How the VPN compares to other available networking technologies Introduction to encryption, firewalls, the IPSec standard, and other technologies that let VPNs work Point to Point Tunneling Protocol (PPTP) and L2TP The Altavista Tunnel The Cisco PIX Firewall Secure Shell (SSH) Maintenance and troubleshooting

Download or read book MPLS and VPN Architectures written by Jim Guichard and published by Cisco Press. This book was released on 2003 with total page 514 pages. Available in PDF, EPUB and Kindle. Book excerpt: Master advanced MPLS VPN deployment solutions to design, deploy, and troubleshoot advanced or large-scale networks. This title builds on the bestselling success of the first volume with more advanced features to get more out of a network.

Download or read book Mobile VPN written by Alex Shneyderman and published by John Wiley & Sons. This book was released on 2003-01-21 with total page 354 pages. Available in PDF, EPUB and Kindle. Book excerpt: Expected to serve up to 40 million mobile workers by 2004, Mobile VPNs provide professionals and consumers with secure data access to private networks while on the road An in-depth tutorial on the technology that wireless carriers will require to offer competitive IP-based services Teaches how to implement Mobile VPNs within GPRS, CDMA2000, UMTS and WLAN environments Examines technologies like IP tunneling, security, roaming, addressing, AAA brokerage, and the latest standards as applied in wireless data systems frameworks

Download or read book Selecting MPLS VPN Services written by Christopher S. Lewis and published by Cisco Press. This book was released on 2006 with total page 458 pages. Available in PDF, EPUB and Kindle. Book excerpt: A guide to using and defining MPLS VPN services Analyze strengths and weaknesses of TDM and Layer 2 WAN services Understand the primary business and technical issues when evaluating IP/MPLS VPN offerings Describe the IP addressing, routing, load balancing, convergence, and services capabilities of the IP VPN Develop enterprise quality of service (QoS) policies and implementation guidelines Achieve scalable support for multicast services Learn the benefits and drawbacks of various security and encryption mechanisms Ensure proper use of services and plan for future growth with monitoring and reporting services Provide remote access, Internet access, and extranet connectivity to the VPN supported intranet Provide a clear and concise set of steps to plan and execute a network migration from existing ATM/Frame Relay/leased line networks to an IP VPN IP/MPLS VPNs are compelling for many reasons. For enterprises, they enable right-sourcing of WAN services and yield generous operational cost savings. For service providers, they offer a higher level of service to customers and lower costs for service deployment. Migration comes with challenges, however. Enterprises must understand key migration issues, what the realistic benefits are, and how to optimize new services. Providers must know what aspects of their services give value to enterprises and how they can provide the best value to customers. Selecting MPLS VPN Services helps you analyze migration options, anticipate migration issues, and properly deploy IP/MPLS VPNs. Detailed configurations illustrate effective deployment while case studies present available migration options and walk you through the process of selecting the best option for your network. Part I addresses the business case for moving to an IP/MPLS VPN network, with a chapter devoted to the business and technical issues you should review when evaluating IP/MPLS VPN offerings from major providers. Part II includes detailed deployment guidelines for the technologies used in the IP/MPLS VPN. 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.

Download or read book Virtual Private Networks For Dummies written by Mark S. Merkow and published by John Wiley & Sons. This book was released on 1999-12-02 with total page 374 pages. Available in PDF, EPUB and Kindle. Book excerpt: Let’s face it: the information age makes dummies of us all at some point. One thing we can say for sure, though, about things related to the Internet is that their best strengths are often also their worst weaknesses. This goes for virtual private networks (VPNs). They may reach a wide base of customers – but can also be vulnerable to viruses, hackers, spoofers, and other shady online characters and entities. VPNs may allow for super-efficient communication between customer and company – but they rely on information which, if compromised, can cause huge losses. The Internet is still a frontier – sometimes so wide open it leaves us bewildered – and, like any frontier, the risks go hand in hand with potentially huge rewards. Virtual Private Networks for Dummies offers you a no-nonsense, practical guide to evaluating your company’s need for a VPN, understanding what it takes to implement one, and undertaking the challenging quest to set it up, make it work, and keep it safe. Whether you’re the resident expert leading the project team, or you just want to learn what makes e-commerce tick, this detailed, from-the-ground-up guide will soon have you comfortably conceptualizing: Security goals and strategies The evolution of VPNs Privacy in VPNs Extranets Remote-Access VPNs Funding Custom network solutions design Testing VPNs And more With new products and technologies offering supposedly revolutionary solutions to IT departments every day, this book focuses on the real world – you know, the one full of obstacles, mishaps, threats, delays, and errors – and gives you the background knowledge to make decisions for yourself about your VPN needs. Written with a dash of humor, Virtual Private Networks for Dummies contains both technical detail (standards, protocols, etc.) and more general concepts (such as conducting cost-benefit analyses). This clear, authoritative guide will have you securely and cost-effectively networking over the Internet in no time.

Download or read book Troubleshooting Virtual Private Networks written by Mark Lewis and published by Cisco Press. This book was released on 2004 with total page 844 pages. Available in PDF, EPUB and Kindle. Book excerpt: & Learn the troubleshooting techniques that every IT professional running a Virtual Private Network (VPN) must master & & Experience real-world solutions through practice scenarios in each chapter & & An essential workplace reference guide for every VPN management site

Download or read book Layer 2 VPN Architectures written by Wei Luo and published by Pearson Education. This book was released on 2004-03-10 with total page 808 pages. Available in PDF, EPUB and Kindle. Book excerpt: A complete guide to understanding, designing, and deploying Layer 2 VPN technologies and pseudowire emulation applications Evaluate market drivers for Layer 2 VPNs Understand the architectural frame-work and choices for Layer 2 VPNs, including AToM and L2TPv3 Grasp the essentials of Layer 2 LAN and WAN technologies Examine the theoretical and operational details of MPLS and LDP as they pertain to AToM Understand the theoretical and operational details of Layer 2 protocols over L2TPv3 in IP networks Learn about Layer 2 VPN bridged and routed interworking and Layer 2 local switching Understand the operation and application of Virtual Private LAN Services (VPLS) Learn about foundation and advanced AToM and L2TPv3 topics through an extensive collection of case studies The historical disconnect between legacy Layer 2 and Layer 3 VPN solutions has forced service providers to build, operate, and maintain separate infrastructures to accommodate various VPN access technologies. This costly proposition, however, is no longer necessary. As part of its new Unified VPN Suite, Cisco Systems® now offers next-generation Layer 2 VPN services like Layer 2 Tunneling Protocol version 3 (L2TPv3) and Any Transport over MPLS (AToM) that enable service providers to offer Frame Relay, ATM, Ethernet, and leased-line services over a common IP/MPLS core network. By unifying multiple network layers and providing an integrated set of software services and management tools over this infrastructure, the Cisco® Layer 2 VPN solution enables established carriers, IP-oriented ISP/CLECs, and large enterprise customers (LECs) to reach a broader set of potential VPN customers and offer truly global VPNs. Layer 2 VPN Architectures is a comprehensive guide to consolidating network infrastructures and extending VPN services. The book opens by discussing Layer 2 VPN applications utilizing both AToM and L2TPv3 protocols and comparing Layer 3 versus Layer 2 provider-provisioned VPNs. In addition to describing the concepts related to Layer 2 VPNs, this book provides an extensive collection of case studies that show you how these technologies and architectures work. The case studies include both AToM and L2TPv3 and reveal real-world service provider and enterprise design problems and solutions with hands-on configuration examples and implementation details. The case studies include all Layer 2 technologies transported using AToM and L2TPv3 pseudowires, including Ethernet, Ethernet VLAN, HDLC, PPP, Frame Relay, ATM AAL5 and ATM cells, and advanced topics relevant to Layer 2 VPN deployment, such as QoS and scalability.

Download or read book VPN Applications Guide written by David McDysan and published by Wiley. This book was released on 2000-05-29 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: "As the 21st century unfolds, it is clear that networking will be one of its hallmarks. In this book, McDysan takes the reader on a wide-ranging and richly textured tour of virtual private networking, its technology, business impact, and motivation. A MUST READ."-Vinton CerfWritten by a VPN expert at MCI WorldCom, this book will help you analyze your enterprise application requirements and select the most cost-efficient private, virtual private, or public network technology. Author David McDysan discusses the history of private and virtual private networks, and then details the important technology and protocol aspects. This includes comprehensive coverage of circuit-switched and connection-oriented packet switching VPN technologies as well as the TCP/IP protocol suite. Also included are the latest technologies developed to support IP-based VPN applications. McDysan also explains the steps involved in designing and implementing a VPN and supplies a template to follow when evaluating VPN choices. Written by a VPN expert at MCI WorldCom, this book will help you analyze your enterprise application requirements and select the most cost-efficient private, virtual private, or public network technology. Author David McDysan discusses the history of private and virtual private networks, and then details the important technology and protocol aspects. This includes comprehensive coverage of circuit-switched and connection-oriented packet switching VPN technologies as well as the TCP/IP protocol suite. Also included are the latest technologies developed to support IP-based VPN applications. McDysan also explains the steps involved in designing and implementing a VPN and supplies a template to follow when evaluating VPN choices. Visit the Networking Council Web site at www.wiley.com/networking council.