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Ubuntu Server Cookbook by Uday R. Sawant

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Securing remote access with OpenVPN

VPN enables two or more systems to communicate privately and securely over the public network or Internet. The network traffic is routed through the Internet, but is encrypted. You can use VPN to set up a secure connection between two datacenters or to access office resources from the leisure of your home. The VPN service is also used to protect your online activities, access location restricted contents, and bypass restrictions imposed by your ISP.

VPN services are implemented with a number of different protocols, such as Point-to-Point Tunneling Protocol (PPTP), Layer two tunneling protocol (L2TP), IPSec, and SSL. In this recipe, we will set up a free VPN server, OpenVPN. OpenVPN is an open source SSL VPN solution ...

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