Version: Debian (64 bit) if you have a 64-bit host, (32 bit) otherwiseĪllocate at least the default 1024 MB of memory, and choose the default hard drive settings (or larger size). In VirtualBox, create a new VM with the following settings: Clients can see only each other's OpenVPN-assigned private IP addresses in addition to the machines on the server side.ĭownload the Debian network installer disc image from the upper right of the Debian home page.ĭownload and install VirtualBox.
The clients can't see each other's LANs, so their comparative numberings don't matter. To be clear, only the server's network has to worry about having a different subnet numbering than the numberings of each of the clients. So, for example, a numbering such as 10.0.149.x or 192.168.37.x should be fine.
If there are conflicting (identical) private IP addresses on both the server side and client sides, then things can't be expected to work. Using a unique subnet is important because many services require that clients enter the IP address of the host. Machines using static IP addresses will have to be changed manually on the respective machines. Your router software should be able to accomplish this. The third octet is x.x.this.x number of the IP address. If you're going to run a VPN server on your home network, it's a good idea to change your private IP subnet to some uncommon numbering, i.e., not 0 or 1 in the third octet. All data over the VPN connection is encrypted and compressed. Local traffic of any protocol (TCP, UDP, AppleTalk, IPX, etc.) going to and from the clients, including broadcasts, will be tunneled over a single UDP port.
Therefore, people that connect, called clients, are able to send and receive all the same data that they could if they were physically connected to your LAN by Ethernet, while still maintaining their own normal LAN and Internet connections. It allows people you trust to make a virtual Ethernet connection to your LAN from over the Internet. You don't need to read the appendices unless you're interested in their specific topics.Īn OpenVPN server in a bridged configuration creates a virtual private network (VPN) that can be thought of as a virtual Ethernet switch to your network. This guide may look long and intimidating, but that's only because many of the steps are spelled out in detail so that it can be as beginner-friendly as possible. We'll use only free and open-source software: Debian, VirtualBox, and the required packages for use with OpenVPN. These instructions are intended for home users who wish to run the VM on a Mac or Windows PC. This guide describes how to set up a bridge-mode OpenVPN server in a Linux virtual machine (VM).
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