OpenVPN: Building and Integrating Virtual Private Networks

Learn how to build secure VPNs using this powerful Open Source application Key Features Learn how to install, configure, and create tunnels with OpenVPN on Linux, Windows, and MacOSX Use OpenVPN with DHCP, routers, firewall, and HTTP proxy servers Advanced management of security certificates Book DescriptionOpenVPN is a powerful, open source SSL VPN application. It can secure site-to-site connections, WiFi and enterprise-scale remote connections. While being a full-featured VPN solution, OpenVPN is easy to use and does not suffer from the complexity that characterizes other IPSec VPN implementations. It uses the secure and stable TLS/SSL mechanisms for authentication and encryption. This book is an easy introduction to this popular VPN application. After introducing the basics of security and VPN, the book moves on to cover using OpenVPN, from installing it on various platforms, through configuring basic tunnels, to more advanced features, such as using the application with firewalls, routers, proxy servers, and OpenVPN scripting. While providing only necessary theoretical background, the book takes a practical approach, presenting plenty of examples. What you will learn Chapter 1 looks at what VPNs are, how they evolved during the last decade, why it is necessary to modern enterprises, how typical VPNs work. The chapter also covers some essential networking concepts. Chapter 2 explains VPN security issues, including symmetric and asymmetric encryption, the SSL/TLS library, and SSL certificates. Chapter 3 introduces OpenVPN. In this chapter, we learn about the history of OpenVPN, how OpenVPN works, and how OpenVPN compares to IPSec VPN applications. Chapter 4 covers installing OpenVPN on both Windows, the Mac, Linux, and FreeBSD. It covers the installation on Linux from…