wiki/en/package-wireguard.md

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# OpenIPC Wiki
[Table of Content](../README.md)
Package WireGuard
-----------------
### Configuring WireGuard to work with OpenIPC (VPN implementation)
#### Configuring the server in Linux
Use [this guide](https://ruvds.com/ru/helpcenter/nastroyka-vpn-s-ispolzovaniem-wireguard/) ([archived copy](https://web.archive.org/web/20240804111853/https://ruvds.com/ru/helpcenter/nastroyka-vpn-s-ispolzovaniem-wireguard/)).
#### Configuring the client in OpenIPC
1) In the `/etc/network/interfaces.d/wg0` file, add the `auto wg0` line to the beginning, in `address` specify the desired client address within the VPN network, and in `netmask` specify the VPN network mask. An example of the resulting file:
```shell
auto wg0
iface wg0 inet static
address 10.10.10.10.2
netmask 255.255.255.255.0
pre-up modprobe wireguard
pre-up ip link add dev wg0 type wireguard
pre-up wg setconf wg0 /etc/wireguard.conf
post-down ip link del dev wg0
```
2) Edit the `/etc/wireguard.conf` file, taking into account that the `Address` (we set the address in the previous step) and `DNS` keywords are not supported. An example of the resulting file:
```
[Interface].
PrivateKey = MO3+yxTyFnnOgeOk9NKFSKHqgFfW6cBhctUO4YeiwV0=
[Peer]
AllowedIPs = 10.10.10.10.0/24
Endpoint = 192.168.0.2:51820
PersistentKeepalive = 25
PublicKey = M2/axcXbD+eg/c4vfEQTiIpV6LU+kzgJCGqDpzIpHS4=
```
3) In the `/etc/rc.local` file, add the `ifup wg0` line before the `exit 0` line. An example of the resulting file:
```shell
#!/bin/sh
#
# rc.local
#
# This script is executed at the end of each multiuser runlevel.
# Make sure that the script will "exit 0" on success or any other
# value on error.
#
# In order to enable or disable this script just change the execution
# bits.
#
# By default this script does nothing.
ifup wg0
exit 0
```
4) Reboot OpenIPC.
5) Test: on the server and on the client, run the `wg show` command. Here is its output example if successful:
```
root@openipc-t31:~# wg show
interface: wg0
public key: /RL2MdZqOdLsT2Be1KXnJWQGJP2oP8sVMlZ/f3GK1BA=
private key: (hidden)
listening port: 34161
peer: M2/axcXbD+eg/c4vfEQTiIpV6LU+kzgJCGqDpzIpHS4=
endpoint: 192.168.0.2:51820
allowed ips: 10.10.10.0/24
latest handshake: 1 minute, 7 seconds ago
transfer: 185.22 KiB received, 182.02 KiB sent
persistent keepalive: every 25 seconds
```
[1]: https://openipc.org/wiki/en/gpio-settings.html
[2]: https://github.com/OpenIPC/ipctool/releases/download/latest/ipctool
[3]: https://github.com/OpenIPC/firmware/releases/tag/latest