The remote end decides what IP address it's asking for and the local end gets to say yes or no. If you are reliant on a non-public DNS server, your clients will need to be configured individually to use it.ĭHCP is not really a thing with Wireguard. On the "server", you can (and should) restrict the addresses a "client" is allowed to present as, but access control is all done outside of Wireguard in the router itself - Wireguard only really handles the creation of the network interface. But you will also need to understand how your network topology fits into Wireguard's model.īecause nodes are peers and not clients and servers, some of the configuration you would usually do on a server actually takes place on the "client". If you know your own private key and the other end's public key, and the other end knows its private key and your public key, then you will be able to talk. Wireguard nodes are peers, the basic idea is that each peer has a private key and a public key. Wireguard is designed with a "general case" and peer-to-peer philosophy in mind, that makes it slightly confusing in a client/server context. My usage case focused on connecting individual remote client machines to my local network, so I relied upon the slightly unhelpfully named "road warrior" setup at. The first, site to site setup, at is for linking the networks at two remote sites. When I came back later, a lot of the answers to the problems I was having were actually there. A lot of of the frustration I experienced was due to not understanding these instructions properly when I started out. Read the Wireguard OPNSense instructions carefully. Start at for a quick conceptual overview. So, for people who want to get an easyish VPN up and running but don't necessarily know a lot about Wireguard, here are some tips from my experience. While I do think it's a lot simpler than the old staples like OpenVPN, it's a little bit of a frustrating experience, and the OPNSense instructions, while good as far as they go, do (like much of OPNSense's documentation) rather assume that you already know what you are doing. I have finally managed to get Wireguard VPN set up.
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