Wireguard ubuntu
From Teknologisk videncenter
Wireguard VPN between two Ubuntu hosts - one behind NAT
Host A: Public access
sudo bash
apt install wireguard
cd /etc/wireguard
umask 077
wg genkey > privatekey
wg pubkey < privatekey > publickey
ip link add dev wg0 type wireguard
ip address add dev wg0 172.31.0.1/24
wg set wg0 listen-port 8172 private-key privatekey peer OTHER HOST PUBLIC KEY allowed-ips 0.0.0.0/0 endpoint 91.172.64.81:51820
touch wg0.conf
wg-quick save wg0
systemctl enable wg-quick@wg0.service
systemctl start wg-quick@wg0
/etc/wireguard/wg. conf
[Interface]
Address = 172.31.0.1/24 # wg0 interface IP (Tunnel endpoint)
ListenPort = 8172
PrivateKey = THIS HOSTS PRIVATE KEY (Host A)=
# VVS nuc
[Peer]
PublicKey = THE OTHER HOSTS PUBLIC KEY (host B)=
AllowedIPs = 192.168.11.0/24, 172.31.0.0/24
Endpoint = 91.172.64.81:51820
Host B: Behind NAT
/etc/wireguard/wg0.conf
[Interface]
Address = 172.31.0.2/24
ListenPort = 51820
PrivateKey = THIS HOSTS PRIVATE KEY (Host B)=
[Peer]
PublicKey = OTHER HOSTS PUBLIC KEY (Host A)=
AllowedIPs = 192.168.12.0/24, 172.31.0.0/24
Endpoint = 91.172.64.81:8172
PersistentKeepalive = 20
Debug
- Enable WireGuard debug. echo 'module wireguard +p' | sudo tee /sys/kernel/debug/dynamic_debug/control
- Disable WireGuard debug. echo 'module wireguard -p' | sudo tee /sys/kernel/debug/dynamic_debug/control
- View Logs. dmesg. ...