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Stupid simple setting up WireGuard - Server and multiple peers
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Install WireGuard via whatever package manager you use. For me, I use apt. | |
$ sudo add-apt-repository ppa:wireguard/wireguard | |
$ sudo apt-get update | |
$ sudo apt-get install wireguard | |
MacOS | |
$ brew install wireguard-tools | |
Generate key your key pairs. The key pairs are just that, key pairs. They can be | |
generated on any device, as long as you keep the private key on the source and | |
place the public on the destination. | |
$ wg genkey | tee privatekey | wg pubkey > publickey | |
example privatekey - mNb7OIIXTdgW4khM7OFlzJ+UPs7lmcWHV7xjPgakMkQ= | |
example publickey - 0qRWfQ2ihXSgzUbmHXQ70xOxDd7sZlgjqGSPA9PFuHg= | |
One can also generate a preshared key to add an additional layer of symmetric-key cryptography to be mixed into the already existing public-key cryptography, for post-quantum resistance. | |
# wg genpsk > preshared | |
Take the above private key, and place it in the server. And conversely, put the | |
public key on the peer. Generate a second key pair, and do the opposite, put the | |
public on the server and the private on the peer. Put the preshared key in the client config if you choose to use it. | |
On the server, create a conf file - /etc/wireguard/wg0.conf (These are examples, | |
so use whatever IP ranges and CIDR blocks that will work for your network. | |
################################ | |
[Interface] | |
Address = 10.0.0.1/24 | |
DNS = 1.1.1.1 | |
PrivateKey = [ServerPrivateKey] | |
ListenPort = 51820 | |
PostUp = iptables -A FORWARD -i %i -j ACCEPT; iptables -A FORWARD -o %i -j ACCEPT; iptables -t nat -A POSTROUTING -o enp9s0 -j MASQUERADE | |
PostDown = iptables -D FORWARD -i %i -j ACCEPT; iptables -D FORWARD -o %i -j ACCEPT; iptables -t nat -D POSTROUTING -o enp9s0 -j MASQUERADE | |
[Peer] | |
#Peer #1 | |
PublicKey = [Peer#1PublicKey] | |
AllowedIPs = 10.0.0.3/32 | |
[Peer] | |
#Peer #2 | |
PublicKey = [Peer#2PublicKey] | |
AllowedIPs = 10.0.0.10/32 | |
[Peer] | |
#Peer #3 | |
PublicKey = [Peer#3PublicKey] | |
AllowedIPs = 10.0.0.2/32 | |
[Peer] | |
#Peer #4 | |
PublicKey = [Peer#4PublicKey] | |
AllowedIPs = 10.0.0.11/32 | |
################################## | |
On each client, define a /etc/wireguard/mobile_user.conf - | |
################################### | |
[Interface] | |
Address = 10.0.0.3/24 | |
PrivateKey = [PrivateKeyPeer#1] | |
[Peer] | |
PublicKey = [ServerPublicKey] | |
PresharedKey = [PresharedKey] | |
Endpoint = some.domain.com:51820 | |
AllowedIPs = 0.0.0.0/0, ::/0 | |
# if you want to do split tunnel, add your allowed IPs | |
# for example if your home network is 192.168.1.0/24 | |
# AllowedIPs = 192.168.1.0/24 | |
# This is for if you're behind a NAT and | |
# want the connection to be kept alive. | |
PersistentKeepalive = 25 | |
######################################## | |
sudo wg show | |
######################################### | |
peer: Peer #1 | |
endpoint: 192.168.2.1:50074 | |
allowed ips: 10.0.0.2/32 | |
latest handshake: 4 minutes, 16 seconds ago | |
transfer: 57.58 KiB received, 113.32 KiB sent | |
peer: Peer #2 | |
endpoint: 99.203.28.43:36770 | |
allowed ips: 10.0.0.10/32 | |
latest handshake: 5 minutes, 30 seconds ago | |
transfer: 92.98 KiB received, 495.89 KiB sent | |
################################################## | |
Start/stop interface | |
wg-quick up wg0 | |
wg-quick down wg0 | |
Start/stop service | |
$ sudo systemctl stop wg-quick@wg0.service | |
$ sudo systemctl start wg-quick@wg0.service | |
Instead of having to modify the file for every client you want to add to the | |
server you could also use the wg tool instead: | |
# add peer | |
wg set wg0 peer <client_pubkey> allowed-ips 10.0.0.x/32 | |
# verify connection | |
wg | |
# save to config | |
wg-quick save wg0 | |
######### EDIT ############## | |
I was setting up a relative with a Wireguard config, and figured I might as well use qrencode to do it since I have it installed on my local machine. | |
qrencode -t ansiutf8 < /etc/wireguard/mobile_user.conf | |
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Chris, you get the same thing... 😁
…On Wed, Oct 18, 2023, 1:26 PM Chris Swanda ***@***.***> wrote:
***@***.**** commented on this gist.
------------------------------
@Dave9111 <https://github.com/Dave9111> I think you should google IP CIDR
notation. :)
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From the Arch Wiki, use
wg genkey | (umask 077 && tee privatekey) | wg pubkey > publickey
So the private key is created not readable to others.
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@tabatinga0x00 x would be whatever number you wish between 2 and 254.