Openvpn Cookbook (pdf)

Description

Key Features

• Master the skills of configuring, managing, and securing your VPN using the latest OpenVPN
• Gain expertise in establishing IPv6 connections and understand PolarSSL using the latest version of OpenVPN
• This book contains enticing recipes about OpenVPN functionalities that cater to mission critical applications

Book Description

OpenVPN provides an extensible VPN framework that has been designed to ease site-specific customization, such as providing the capability to distribute a customized installation package to clients, and supporting alternative authentication methods via OpenVPN’s plugin module interface.

This book provides you with many different recipes to help you set up, monitor, and troubleshoot an OpenVPN network. You will learn to configure a scalable, load-balanced VPN server farm that can handle thousands of dynamic connections from incoming VPN clients. You will also get to grips with the encryption, authentication, security, extensibility, and certifications features of OpenSSL.

You will also get an understanding of IPv6 support and will get a demonstration of how to establish a connection via IPv64. This book will explore all the advanced features of OpenVPN and even some undocumented options, covering all the common network setups such as point-to-point networks and multi-client TUN-style and TAP-style networks. Finally, you will learn to manage, secure, and troubleshoot your virtual private networks using OpenVPN 2.4.

What you will learn

• Determine the best type of OpenVPN setup for your networking needs
• Get to grips with the encryption, authentication, and certifications features of OpenSSL.
• Integrate an OpenVPN server into the local IT infrastructure with the scripting features of OpenVPN
• Ease the integration of Windows clients into the VPN using Windows-specific client-side configuration
• Understand the authentication plugins for PAM and LDAP
• Get to know the difference between TUN-style and TAP-style networks and when to use what
• Troubleshoot your VPN setup
• Establish a connection via IPv6 along with demonstrations

About the Author

Jan Just Keijser is an open source professional from Utrecht, the Netherlands. He has a wide range of experience in IT, ranging from providing user support, system administration, and systems programming to network programming. He has worked for various IT companies since 1989. He was an active USENET contributor in the early 1990s and has been working mainly on Unix/Linux platforms since 1995.

Currently, he is employed as a senior scientific programmer in Amsterdam, the Netherlands, at Nikhef, the institute for subatomic physics from the Dutch Foundation for Fundamental Research on Matter (FOM). He works on multi-core and many-core computing systems and grid computing as well as smartcard applications. His open source interests include all types of virtual private networking, including IPSec, PPTP, and, of course, OpenVPN. In 2004, he discovered OpenVPN and has been using it ever since.

His first book was OpenVPN 2 Cookbook by Packt Publishing in 2011, followed by Mastering OpenVPN, also by Packt Publishing, in 2015.

Table of Contents

1. Point-to-Point Networks
2. Client-server IP-only Networks
3. Client-server Ethernet-style Networks
4. PKI, Certificates, and OpenSSL
5. Scripting and Plugins
6. Troubleshooting OpenVPN – Configurations
7. Troubleshooting OpenVPN – Routing
8. Performance Tuning
9. OS Integration
10. Advanced Configuration