Wireguard client config

GitHub is home to over 40 million developers working together to host and review code, manage projects, and build software together. If nothing happens, download GitHub Desktop and try again. If nothing happens, download Xcode and try again. If nothing happens, download the GitHub extension for Visual Studio and try again. I made this in Java because of portability between different OSs, anyone is free to build similar stuff using different platform.

Currently supports only ipv4 addresses. You need to install java on your OS to use this program. You can use the generated config files with official wireguard clients. Enter your server's public key here. Any Dns of your choice, in case you have pihole or similer running on your server use that IP.

Often, this will be your server's wireguard IP. Once you generate the config, write the config name and press enter to save the config file and corresponding QR code to the application folder. To create multiple configs on one go, just select the check box and write down how many clients you need, all files will be saved on the same directory where.

Just select the check box and write down how many clients you need less thanfor more change subnet firstall files will be saved on the same directory where. This project is not affiliated in any ways with Jason A. Donenfeld or the WireGuard project. Skip to content. Dismiss Join GitHub today GitHub is home to over 40 million developers working together to host and review code, manage projects, and build software together.

Sign up. Simple Java program to create wireguard client config files. Java Branch: master. Find file. Sign in Sign up. Go back. Launching Xcode If nothing happens, download Xcode and try again. Latest commit. Latest commit 26f Dec 4, Because I work most time on Windows I was also especially interested in connecting my computer to a WireGuard VPN, but at that time, there was no Windows client available.

In the meantime, the developers of WireGuard released a Windows version. This tutorial assumes that you already have a WireGuard server running somewhere.

I connect the Windows client to a WireGuard server running on Amazon Lightsail, which is set up according to my previous blog post.

wireguard client config

You can use WireGuard also for connecting to a private network like a company LAN or for connecting two private networks over the public Internet; however, I will not cover these use cases there.

Install the msi file. After the installation, you should see the WireGuard icon in the icon bar. WireGuard for Windows runs on Windows 7, 8, 8. I'm testing the bit version on Windows Be aware that all the WireGuard software packages are in a pre-release state and should only be used for testing. If you are concerned about security, I recommend waiting until the official release, and an independent third party audited the software.

Next, we configure the VPN tunnel. This includes setting up the endpoints and exchanging the public keys. Give the tunnel a name and insert the following configuration. Change IP addresses and keys according to your environment. Here a screenshot where you see the Windows client left and the Linux server right configuration.

wireguard client config

In the screenshot above, you might notice the option Block untunneled traffic. You can enable this option when your configuration has precisely one [Peer] section and AllowedIPs is set to a catch-all address. If the option is enabled the WireGuard client adds Windows Firewall rules to block all traffic that is neither to nor from the tunnel interface.

If that's not the case, check the Log tab and double-check the client and server configuration. The test runs for a few seconds and displays a list of servers that answered the DNS queries. Read this guide about DNS leaks to learn more why you want to test for DNS leaks and it also shows you other methods for preventing leaks.It is super simple to setup to connect multiple machines together.

WireGuard supports roaming, which means you can switch between network connections and not have to reconnect to your peers. On servers, it's rarely useful, but when one of the peer is a mobile client like a laptop or a smartphone, it's a life saver, because the usage of WireGuard is completely transparent.

Edit: I made a wireguard-install script to automate the installation! In this post, I will explain how I use WireGuard on my laptop and phone, which forward all their traffic to the server while having a dual-stack connectivity.

The setup is pretty simple : we have 2 peers, one server and one client. Connecting both in a private subnet is easy. The trick to make use of the VPN to forward all of the client's traffic trough the server is to:. WireGuard comes in two parts: the tools, which will allow us to manage the peers and interfaces, and the Linux kernel module. WireGuard can run nearly anywhere, all the installation notes are on the website.

I'm usually using Debian 9 or Ubuntu You should choose the location that is the closest to you.

Conceptual Overview

Then, let's generate a private key. WireGuard uses simple Curve public and private keys for cryptography between the peers. You can see the interface status and the public key with wg show or wg :.

Now that our interfaces are up, let's configure the peers. It will allow us to make our server and our client communicate. But WireGuard supports roaming on both ends, and that's what allows us to have peers on the server without endpoints. As long as the peers the clients have the initial endpoint of the server, the server will know where so send the packets back, because the client's endpoints will be built dynamically.

From the WireGuard website about built-in roaming:. I hope that makes sense. Now, restart the WireGuard interface on the server and the client. The server does not know how to connect to the client, so the client should sent a packet first.

On the server, you should see that data has been transmitted, and you should also see that a dynamic endpoint is shown:. The endpoint is the client's public IP address the router's, if it is behing NATand, as we did not set a port nor an endpoint, a random port.

How to setup a VPN server using WireGuard (with NAT and IPv6)

You can try to ping your client form the server, it should work if the client's firewall is not blocking incoming connections. Now that our two peers can communicate, let's make all of our client's traffic go trough the server. We want to enable NAT between the server's public interface ens3 for me and the wg0 interface. The good news is that WireGuard can execute these for us, when the interface is brought up.

To keep things clean, we want to remove them when the interface is brought down, so here is what you need to add to your [Interface] block on the server:. I usually use ipv6-test. If you need to get the public key from a private key, you can pipe the private key to wg pubkey like:.

A little tip if you wan to change your client's DNS resolvers upon connection. There are many reason to do this:. It's especially useful on my Android phone where I don't have an ad blocker. WireGuard uses UDP. I mean it's not that difficult to transfer a file from my computer to my Android phone, but there is an even better way.

On the Android Appyou have 3 means to create an interface:.Most of my posts feature network services that you can set up at home. However, accessing these services from outside your local network can pose a challenge. While it would be possible to set up port forwarding for each service this can become a hassle when configuring multiple services. It can also pose a security risk as many network protocols are not supposed to be used on the public internet.

The easiest way to provide full secure access to your local network from remote locations is using a VPN to encapsulate your traffic in an encrypted tunnel to access your local network. So why WireGuard? This is particularly handy on mobile phones where you might want to route some traffic such as DNS pi-hole over a VPN so you have ad-blocking regardless of the network you are connected to. Additionally its newness and lack of security auditing make it a poor choice if you need it to protect highly sensitive information.

If you do not have too many network services already set up which would be impacted by an IP address change and your network uses a common subnet such as While it is possible to work around this using static routes it is a pain so, if possible, try to use an uncommon subnet on your home LAN. I will be demonstrating the setup using a CentOS 7 server and Ubuntu From your fresh CentOS 7 install, run yum -y update to install any available updates. We will be configuring our tunnel using the wg-quick script which comes as part of the wireguard-tools package.

Make the directory and change the permissions so it can only be accessed by the root user:. We now need to generate our private and public keys for the server. These act similarly to SSH keys in that the private key will only be stored on the server and the public key will be copied to the peer configuration for all of the clients. The public key from the client will in turn be copied to the peer configuration on the server.

To generate a keypair run the following command as root:. This will give us two files called private. We now create a config file for the tunnel. When the tunnel is active the interface name will be taken from the name of the config file so wg0.

Name the file however you like according to your preferred interface name but note that the name must end with. Open the config file in your preferred text editor and enter the following basic configuration.

I have added comments above each line to explain what it does:. As our server will be acting as a router, we will need to enable IPv4 forwarding by running the following command:. We can now take the interface down by running wg-quick down wg0 and begin configuring our first client. Much like the server, we begin by installing the WireGuard packages. For Ubuntu this is done by running:.

Again, we can bring the interface up using wg-quick and check if wg-show produces output to check our configuration.GitHub is home to over 40 million developers working together to host and review code, manage projects, and build software together. If nothing happens, download GitHub Desktop and try again. If nothing happens, download Xcode and try again.

Wireguard VPN: How to configure your VPN tunnel

If nothing happens, download the GitHub extension for Visual Studio and try again. A basic, self-contained management service for WireGuard with a self-serve web UI. When running in production, we recommend using the latest release as opposed to latest. You can configure wg-ui using commandline flags or environment variables. To see all available flags run:.

Please read our Contributor Guide for more information on how to get started. Skip to content. Dismiss Join GitHub today GitHub is home to over 40 million developers working together to host and review code, manage projects, and build software together.

Sign up. WireGuard Web UI for self-serve client configurations, with optional auth. Go Branch: master. Find file. Sign in Sign up. Go back. Launching Xcode If nothing happens, download Xcode and try again. Latest commit. Latest commit Apr 14, It aims to be fastersimplerleaner, and more useful than IPsec, while avoiding the massive headache. It intends to be considerably more performant than OpenVPN. WireGuard is designed as a general purpose VPN for running on embedded interfaces and super computers alike, fit for many different circumstances.

It is currently under heavy development, but already it might be regarded as the most secure, easiest to use, and simplest VPN solution in the industry. If you'd like a general conceptual overview of what WireGuard is about, read onward here.

You then may progress to installation and reading the quickstart instructions on how to use it. If you're interested in the internal inner workings, you might be interested in the brief summary of the protocolor go more in depth by reading the technical whitepaperwhich goes into more detail on the protocol, cryptography, and fundamentals. If you intend to implement WireGuard for a new platform, please read the cross-platform notes.

You add a WireGuard interface, configure it with your private key and your peers' public keys, and then you send packets across it. All issues of key distribution and pushed configurations are out of scope of WireGuard; these are issues much better left for other layers, lest we end up with the bloat of IKE or OpenVPN.

In contrast, it more mimics the model of SSH and Mosh; both parties have each other's public keys, and then they're simply able to begin exchanging packets through the interface. WireGuard works by adding a network interface or multiplelike eth0 or wlan0called wg0 or wg1wg2wg3etc. This network interface can then be configured normally using ifconfig 8 or ip-address 8with routes for it added and removed using route 8 or ip-route 8and so on with all the ordinary networking utilities.

The specific WireGuard aspects of the interface are configured using the wg 8 tool. This interface acts as a tunnel interface. WireGuard associates tunnel IP addresses with public keys and remote endpoints. When the interface sends a packet to a peer, it does the following:. Behind the scenes there is much happening to provide proper privacy, authenticity, and perfect forward secrecy, using state-of-the-art cryptography.

At the heart of WireGuard is a concept called Cryptokey Routingwhich works by associating public keys with a list of tunnel IP addresses that are allowed inside the tunnel. Each network interface has a private key and a list of peers. Each peer has a public key. Public keys are short and simple, and are used by peers to authenticate each other.

They can be passed around for use in configuration files by any out-of-band method, similar to how one might send their SSH public key to a friend for access to a shell server. In the server configuration, each peer a client will be able to send packets to the network interface with a source IP matching his corresponding list of allowed IPs.You might have noticed the buzz around WireGuard lately.

Since the initial conditions at the creation of the universe set things up so WireGuard would eventually be underdocumented, I am going against Creation itself and showing you how to easily configure and run it.

At its core, all WireGuard does is create an interface from one computer to another. It just connects two computers, directly, quickly and securely. Luckily, WireGuard comes with a helper script, wg-quickwhich will do pretty much everything the average user needs.

wireguard client config

To install WireGuard, see the installation page, it should be a pretty simple process. This will generate two files, privatekey and publickey on each of the computers. The publickey file is for telling the world, the privatekey file is secret and should stay on the computer it was generated on.

If you just want a single connection between two computers say, to connect your laptop to your home serverthe configuration is pretty simple. On the server, enter the following:. As you can see, the addresses I picked for each computer are After writing the two files, run wg-quick up wg0 on the server and then on the client. To close the connection again, just run wg-quick down wg0. This assumes that your LAN interface is called eth0. For example, if your subnet is Then run wg-quick up wg0 as above, and you should be able to ping the other computers in the LAN from the client, as if you were home.

Try ping To forward all the traffic through, simply change the AllowedIPs line on the client to this:. This will make the wg0 interface responsible for routing all IP addresses hence the 0. I hope this has been useful! As always, tweet or toot any comments to me, or leave a comment below. Did you like what you just read and want to be notified when I post more? Subscribe to my mailing list to get updates on my posts and other random goodies. Amateur F1 driver.