In this chapter, we began with some basic VPN concepts, with our focus being primarily on the three VPN protocols currently supported by pfSense: IPsec, L2TP, and OpenVPN. We weighed the advantages and disadvantages of each protocol with respect to security, cross-platform support, ease of configuration, and firewall-friendliness. We emphasized that since L2TP lacks confidentiality and encryption, you are not likely to ever implement L2TP in native mode; rather, it is more likely to be implemented in combination with IPsec, making your choice one between IPsec, L2TP/IPsec, and OpenVPN.
We then covered IPsec, L2TP, and OpenVPN configuration in some depth. We covered the OpenVPN Client Export Utility, which makes the process of generating ...
