In any case, to obtain a connection with a Zeroshell VPN server, you only need to define a small number of them in your client’s configuration file. OpenVPN for Windows Mobile on Pocket PCīecause the large number of parameters you can define either in the configuration file or in the command line, you could configure OpenVPN in many different manners.Keep in mind that the first section, which is related to the configuration file of OpenVPN, it is common to the other ones, because the configuration file do not depend on the GUI or Operating System that you use. The sections in which this how-to is divided are as follows below. The user authentication well be checked by using username and password credentials, but we will try the X.509 authentication as well.įor further details about the configuration of an OpenVPN server builded with ZeroShell, you can read the “An OpenVPN server using Zeroshell” how-to. By default, the OpenVPN server of Zeroshell listens on the port 1194/TCP with TLS/SSL encryption and LZO compression enabled. To obtain an OpenVPN server with the default behavior, you only need, after you have activated Zeroshell on your network, to enable the OpenVPN service by clicking on the Enabled flag in the -> section of the Zeroshell’s web interface. More precisely, we will see how to access to a VPN server builded with ZeroShell and configured with the default parameters. In addition, you could use the openvpn command in a script to automatically start the VPN connection.

This last possibility is useful, because the openvpn command, which you can execute by using the prompt (Unix Shell or Windows Prompt) accepts the same parameters and has the same behavior regardless from which Operating System you use. At the end of the document we will learn to use the OpenVPN’s command line interface. We will see how to install and configure the most used OpenVPN’s GUI for Microsoft Windows, Linux, Mac OS X and Windows Mobile for Pocket PC.

The purpose of this document is to lead the users to configure theirs OpenVPN clients to access to a VPN server.

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