 **Mastering OpenVPN** by Eric F.Crist and Jan Just Keijser Publisher: Packt Publishing (August, 2015) ISBN: 9781783553136 ---  **Beginning OpenVPN 2.0.9** by Markus Feilner and Norbert Graf Publisher: Packt Publishing (December 2, 2009) ISBN: 184719706X [Amazon.com Reviews](http://www.amazon.com/Beginning-OpenVPN-2-0-9-Markus-Feilner/product-reviews/184719706X) ---  **OpenVPN 2 Cookbook** by Jan Just Keijser Publisher: Packt Publishing (March, 2011) ISBN: 1849510105 ---  **OpenVPN: Virtual Private Network, Pre-Shared Key, Certificate Authority, NetBSD, FreeBSD, OpenBSD, Linux, Solaris (Operating System), Transport Layer Security** by Lambert M. Surhone, Miriam T. Timpledon and Susan F. Marseken Publisher: Betascript Publishing (February 4, 2010) ISBN: 6130362560 ---  **OpenVPN: Building and Integrating Virtual Private Networks** by Markus Feilner Publisher: Packt Publishing (May 11, 2006) ISBN 190481185X ---  **OpenVPN: Grundlagen, Konfiguration, Praxis** by Johannes Bauer, Albrecht Liebscher, Klaus Thielking-Riechert Publisher: dpunkt.verlag (August, 2006) ISBN: 978-3-89864-396-2 ---  **Hands-on: OpenVPN: Installing and configuring an OpenVPN server and gateway, and setting up OpenVPN clients on Linux and Android (Private and Secure Computing)** by Adrian Offerman Publisher: Offerman Consulting (November, 2014) ISBN: 978-1503048485
