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authorJulien Dessaux2023-02-16 18:57:08 +0100
committerJulien Dessaux2023-02-16 18:57:08 +0100
commit81570b7d910544ed22f4b5b83ef2dcdd162477aa (patch)
treed7554039fa556d195b2bd3e49535e6a28426e186 /content
parentAdd wireguard on OpenBSD blog article (diff)
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Added wireguard on FreeBSD blog article
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-rw-r--r--content/blog/freebsd/wireguard.md84
-rw-r--r--content/docs/openbsd/wireguard.md4
2 files changed, 84 insertions, 4 deletions
diff --git a/content/blog/freebsd/wireguard.md b/content/blog/freebsd/wireguard.md
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+---
+title: Wireguard on FreeBSD
+description: How to configure a wireguard endpoint on FreeBSD
+date: 2023-02-16
+tags:
+- FreeBSD
+- vpn
+- wireguard
+---
+
+## Introduction
+
+This article explains how to configure wireguard on FreeBSD.
+
+## Installation
+
+```sh
+pkg install wireguard
+```
+
+## Generating keys
+
+The private and public keys for a host can be generated with the following commands:
+```sh
+PRIVATE_KEY=`wg genkey`
+PUBLIC_KEY=`printf $PRIVATE_KEY|wg pubkey`
+echo private_key: $PRIVATE_KEY
+echo public_key: $PUBLIC_KEY
+```
+
+## Configuration
+
+Here is a configuration example of my `/usr/local/etc/wireguard/wg0.conf` that creates a tunnel listening on udp port 342 and has one remote peer:
+```cfg
+[Interface]
+PrivateKey = MzrfXLmSfTaCpkJWKwNlCSD20eDq7fo18aJ3Dl1D0gA=
+ListenPort = 342
+Address = 10.1.2.7/24
+
+[Peer]
+PublicKey = R4A01RXXqRJSY9TiKQrZGR85HsFNSXxhRKKEu/bEdTQ=
+Endpoint = 168.119.114.183:342
+AllowedIPs = 10.1.2.9/32
+PersistentKeepalive = 60
+```
+
+To implement this example you will need to generate two sets of keys. The configuration for the first server will feature the first server's private key in the `[Interface]` section and the second server's public key in the `[Peer]` section, and vice versa for the configuration of the second server.
+
+This example is from a machine that can be hidden behind nat therefore I configure a `PersistentKeepalive`. If your host has a public IP this line is not needed.
+
+To activate the interface configuration, use :
+```sh
+service wireguard enable
+echo 'wireguard_interfaces="wg0"' >> /etc/rc.conf
+service wireguard start
+```
+
+## Administration
+
+The tunnel can be managed with the `wg` command:
+```sh
+root@hurricane:~# wg
+interface: wg0
+ public key: 7fbr/yumFeTzXwxIHnEs462JLFToUyJ7yCOdeDFmP20=
+ private key: (hidden)
+ listening port: 342
+
+peer: R4A01RXXqRJSY9TiKQrZGR85HsFNSXxhRKKEu/bEdTQ=
+ endpoint: 168.119.114.183:342
+ allowed ips: 10.1.2.9/32
+ latest handshake: 57 seconds ago
+ transfer: 1003.48 KiB received, 185.89 KiB sent
+ persistent keepalive: every 1 minute
+```
+
+The ip configuration still relies on `ifconfig`:
+```sh
+root@hurricane:~# ifconfig wg0
+wg0: flags=80c1<UP,RUNNING,NOARP,MULTICAST> metric 0 mtu 1420
+ options=80000<LINKSTATE>
+ inet 10.1.2.7 netmask 0xffffff00
+ groups: wg
+ nd6 options=109<PERFORMNUD,IFDISABLED,NO_DAD>
+```
diff --git a/content/docs/openbsd/wireguard.md b/content/docs/openbsd/wireguard.md
index 8e86ced..9cdbdab 100644
--- a/content/docs/openbsd/wireguard.md
+++ b/content/docs/openbsd/wireguard.md
@@ -1,10 +1,6 @@
---
title: Wireguard
description: How to configure a wireguard endpoint on OpenBSD
-tags:
-- OpenBSD
-- vpn
-- wireguard
---
## Introduction