Vpns
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VPNs Illustrated
Author: Jon C. Snader
language: en
Publisher: Addison-Wesley Professional
Release Date: 2015-01-09
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.
Virtual Private Networks Kick Start: Dive into VPNs
Author: Pasquale De Marco
language: en
Publisher: Pasquale De Marco
Release Date: 2025-04-07
In a world increasingly reliant on digital connectivity, Virtual Private Networks (VPNs) have become an essential tool for securing and privatizing communications across public networks. This comprehensive guide, "Virtual Private Networks Kick Start: Dive into VPNs," is your ultimate resource for understanding the intricacies of VPNs and harnessing their power to safeguard your data and privacy. Written in a clear and engaging style, this book takes you on a comprehensive journey through the world of VPNs, from their fundamental concepts to their advanced applications. Whether you're a networking professional, a business leader, or an individual seeking to protect your online presence, this book has something for everyone. Delve into the core principles of VPNs, exploring the different types of VPN protocols, architectures, and deployment models. Gain insights into the inner workings of VPN security, including encryption algorithms, authentication methods, and best practices for securing your VPN connections. Discover the practical applications of VPNs in various scenarios, ranging from enabling secure remote work and business connectivity to overcoming censorship and geo-restrictions. Learn how VPNs can empower your remote workforce, facilitate secure communication among geographically dispersed teams, and protect sensitive business data from unauthorized access. Enrich your understanding with case studies and real-world examples that showcase the transformative impact of VPNs in organizations across industries. These case studies provide tangible evidence of the benefits and challenges of VPN implementations, helping you make informed decisions for your own VPN deployment. Stay ahead of the curve with insights into the future of VPNs. Explore emerging trends and innovations that are shaping the landscape of secure networking, including the convergence of VPNs and Software-Defined WAN (SD-WAN) and the advent of quantum-safe VPNs. Prepare for the evolving demands of the digital age and ensure your VPN solution remains robust and effective. With its in-depth explanations, practical examples, and forward-thinking insights, "Virtual Private Networks Kick Start: Dive into VPNs" is your essential guide to mastering VPN technology and safeguarding your digital communications in the modern world. If you like this book, write a review!
Comparing, Designing, and Deploying VPNs
A detailed guide for deploying PPTP, L2TPv2, L2TPv3, MPLS Layer-3, AToM, VPLS and IPSec virtual private networks.