As the network configurations grow more complex, the requirement for more advanced features, such as the source routing features, increases. Source routing is typically used whenever a server is connected to a network (or the Internet) using two network interfaces (see the following image). In this case, it is important to ensure that the connections that are started on one of the interfaces are kept to that interface. If the incoming traffic for a (VPN) connection is made on the first interface but the return traffic is sent back over the second interface, then VPN connections, amongst others, will fail, as we shall see in this recipe. Source routing is an advanced feature of most of the modern operating systems. In this recipe, we will show how to set up source routing using the Linux iproute2
tools, but the same can be achieved on other operating systems using similar tools.
OpenVPN Cookbook - Second Edition
By :
OpenVPN Cookbook - Second Edition
By:
Overview of this book
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.
Table of Contents (17 chapters)
OpenVPN Cookbook - Second Edition
Credits
About the Author
About the Reviewer
www.PacktPub.com
Customer Feedback
Preface
Free Chapter
Point-to-Point Networks
Client-server IP-only Networks
Client-server Ethernet-style Networks
PKI, Certificates, and OpenSSL
Scripting and Plugins
Troubleshooting OpenVPN - Configurations
Troubleshooting OpenVPN - Routing
Performance Tuning
OS Integration
Advanced Configuration
Customer Reviews