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authorChristian Poessinger <christian@poessinger.com>2021-10-01 15:27:12 +0200
committerChristian Poessinger <christian@poessinger.com>2021-10-01 15:27:12 +0200
commit62f244d1083913ffeeed8a81d4524de42b12bded (patch)
tree38ed3ac604aca11f42df647d26aa4f5664f45aa3 /docs/configuration/interfaces/wireguard.rst
parentec1ed9232973045aa5c4eda2c637ed893ab0890f (diff)
downloadvyos-documentation-62f244d1083913ffeeed8a81d4524de42b12bded.tar.gz
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wireguard: adjust to new PKI interface
Diffstat (limited to 'docs/configuration/interfaces/wireguard.rst')
-rw-r--r--docs/configuration/interfaces/wireguard.rst238
1 files changed, 119 insertions, 119 deletions
diff --git a/docs/configuration/interfaces/wireguard.rst b/docs/configuration/interfaces/wireguard.rst
index 8ba707f6..bbcdc209 100644
--- a/docs/configuration/interfaces/wireguard.rst
+++ b/docs/configuration/interfaces/wireguard.rst
@@ -1,4 +1,4 @@
-:lastproofread: 2021-07-27
+:lastproofread: 2021-10-01
.. _wireguard:
@@ -18,113 +18,159 @@ This diagram corresponds with the example site to site configuration below.
.. figure:: /_static/images/wireguard_site2site_diagram.jpg
-*************
-Configuration
-*************
-
-
-
********
Keypairs
********
-WireGuard requires the generation of a keypair, which includes a private
-key to decrypt incoming traffic, and a public key for peer(s) to encrypt
-traffic.
+WireGuard requires the generation of a keypair, which includes a private key to
+decrypt incoming traffic, and a public key for peer(s) to encrypt traffic.
Generate Keypair
================
-.. opcmd:: generate wireguard default-keypair
+.. opcmd:: generate pki wireguard key-pair
- It generates the keypair, which includes the public and private parts,
- and stores it within VyOS. It will be used per default on any configured
- WireGuard interface, even if multiple interfaces are being configured.
+ It generates the keypair, which includes the public and private parts.
+ The key is not stored on the system - only a keypair is generated.
-.. opcmd:: show wireguard keypairs pubkey default
+ .. code-block:: none
+
+ vyos@vyos:~$ generate pki wireguard key-pair
+ Private key: iJJyEARGK52Ls1GYRCcFvPuTj7WyWYDo//BknoDU0XY=
+ Public key: EKY0dxRrSD98QHjfHOK13mZ5PJ7hnddRZt5woB3szyw=
- It shows the public key to be shared with your peer(s). Your peer will
- encrypt all traffic to your system using this public key.
+.. opcmd:: generate pki wireguard key-pair install interface <interface>
+
+ Generates a keypair, which includes the public and private parts, and build
+ a configuration command to install this key to ``interface``.
.. code-block:: none
- vyos@vyos:~$ show wireguard keypairs pubkey default
- hW17UxY7zeydJNPIyo3UtGnBHkzTK/NeBOrDSIU9Tx0=
+ vyos@vyos:~$ generate pki wireguard key-pair install interface wg10
+ "generate" CLI command executed from operational level.
+ Generated private-key is not stored to CLI, use configure mode commands to install key:
+ set interfaces wireguard wg10 private-key '4Krkv8h6NkAYMMaBWI957yYDJDMvj9URTHstdlOcDU0='
-Generate Named Keypair
-======================
+ Corresponding public-key to use on peer system is: 'UxDsYT6EnpTIOKUzvMlw2p0sNOKQvFxEdSVrnNrX1Ro='
-Named keypairs can be used on a interface basis when configured. If
-multiple WireGuard interfaces are being configured, each can have their
-own keypairs.
+ .. note:: If this command is invoked from configure mode with the ``run``
+ prefix the key is automatically installed to the appropriate interface:
-.. opcmd:: generate wireguard named-keypairs <name>
+ .. code-block:: none
- The commands below generates 2 keypairs unrelated to each other.
+ vyos@vyos# run generate pki wireguard key-pair install interface wg10
+ "generate" CLI command executed from config session.
+ Generated private-key was imported to CLI!
- .. code-block:: none
+ Use the following command to verify: show interfaces wireguard wg10
+ Corresponding public-key to use on peer system is: '7d9KwabjLhHpJiEJeIGd0CBlao/eTwFOh6xyCovTfG8='
+
+ vyos@vyos# compare
+ [edit interfaces]
+ +wireguard wg10 {
+ + private-key CJweb8FC6BU3Loj4PC2pn5V82cDjIPs7G1saW0ZfLWc=
+ +}
+
+.. opcmd:: show interfaces wireguard <interface> public-key
+
+ Retrieve public key portion from configured WIreGuard interface.
+
+ .. code-block:: none
+
+ vyos@vyos:~$ show interfaces wireguard wg01 public-key
+ EKY0dxRrSD98QHjfHOK13mZ5PJ7hnddRZt5woB3szyw=
+
+
+Optional
+--------
+
+.. opcmd:: generate pki wireguard preshared-key
+
+ An additional layer of symmetric-key crypto can be used on top of the
+ asymmetric crypto.
+
+ This is optional.
+
+ .. code-block:: none
+
+ vyos@vyos:~$ generate pki wireguard preshared-key
+ Pre-shared key: OHH2EwZfMNK+1L6BXbYw3bKCtMrfjpR4mCAEeBlFnRs=
+
+
+.. opcmd:: generate pki wireguard preshared-key install interface <interface> peer <peer>
+
+ An additional layer of symmetric-key crypto can be used on top of the
+ asymmetric crypto. This command automatically creates for you the required
+ CLI command to install this PSK for a given peer.
+
+ This is optional.
+
+ .. code-block:: none
+
+ vyos@vyos:~$ generate pki wireguard preshared-key install interface wg10 peer foo
+ "generate" CLI command executed from operational level.
+ Generated preshared-key is not stored to CLI, use configure mode commands to install key:
+
+ set interfaces wireguard wg10 peer foo preshared-key '32vQ1w1yFKTna8n7Gu7EimubSe2Y63m8bafz55EG3Ro='
+
+ Pre-shared key: +LuaZ8W6DjsDFJFX3jJzoNqrsXHhvq08JztM9z8LHCs=
- vyos@vyos:~$ generate wireguard named-keypairs KP01
- vyos@vyos:~$ generate wireguard named-keypairs KP02
+
+ .. note:: If this command is invoked from configure mode with the ``run``
+ prefix the key is automatically installed to the appropriate interface:
***********************
Interface configuration
***********************
-The next step is to configure your local side as well as the policy
-based trusted destination addresses. If you only initiate a connection,
-the listen port and address/port is optional; however, if you act like a
-server and endpoints initiate the connections to your system, you need to
-define a port your clients can connect to, otherwise the port is randomly
-chosen and may make connection difficult with firewall rules, since the port
-may be different each time the system is rebooted.
+The next step is to configure your local side as well as the policy based
+trusted destination addresses. If you only initiate a connection, the listen
+port and address/port is optional; however, if you act like a server and
+endpoints initiate the connections to your system, you need to define a port
+your clients can connect to, otherwise the port is randomly chosen and may
+make connection difficult with firewall rules, since the port may be different
+each time the system is rebooted.
-You will also need the public key of your peer as well as the network(s)
-you want to tunnel (allowed-ips) to configure a WireGuard tunnel. The
-public key below is always the public key from your peer, not your local
-one.
+You will also need the public key of your peer as well as the network(s) you
+want to tunnel (allowed-ips) to configure a WireGuard tunnel. The public key
+below is always the public key from your peer, not your local one.
**local side - commands**
+- WireGuard interface itself uses address 10.1.0.1/30
+- We only allow the 192.168.2.0/24 subnet to travel over the tunnel
+- Our remote end of the tunnel for peer `to-wg02` is reachable at 192.0.2.1
+ port 51820
+- The remote peer `to-wg02` uses XMrlPykaxhdAAiSjhtPlvi30NVkvLQliQuKP7AI7CyI=
+ as its public key portion
+- We listen on port 51820
+- We route all traffic for the 192.168.2.0/24 network to interface `wg01`
+
.. code-block:: none
set interfaces wireguard wg01 address '10.1.0.1/30'
- set interfaces wireguard wg01 description 'VPN-to-wg02'
set interfaces wireguard wg01 peer to-wg02 allowed-ips '192.168.2.0/24'
- set interfaces wireguard wg01 peer to-wg02 address '<Site1 Pub IP>'
+ set interfaces wireguard wg01 peer to-wg02 address '192.0.2.1'
set interfaces wireguard wg01 peer to-wg02 port '51820'
set interfaces wireguard wg01 peer to-wg02 pubkey 'XMrlPykaxhdAAiSjhtPlvi30NVkvLQliQuKP7AI7CyI='
set interfaces wireguard wg01 port '51820'
- set protocols static route 192.168.2.0/24 interface wg01
-**local side - annotated commands**
+ set protocols static route 192.168.2.0/24 interface wg01
-.. code-block:: none
+The last step is to define an interface route for 192.168.2.0/24 to get through
+the WireGuard interface `wg01`. Multiple IPs or networks can be defined and
+routed. The last check is allowed-ips which either prevents or allows the
+traffic.
- set interfaces wireguard wg01 address '10.1.0.1/30' # Address of the wg01 tunnel interface.
- set interfaces wireguard wg01 description 'VPN-to-wg02'
- set interfaces wireguard wg01 peer to-wg02 allowed-ips '192.168.2.0/24' # Subnets that are allowed to travel over the tunnel
- set interfaces wireguard wg01 peer to-wg02 address '<Site2 Pub IP>' # Public IP of the peer
- set interfaces wireguard wg01 peer to-wg02 port '58120' # Port of the Peer
- set interfaces wireguard wg01 peer to-wg02 pubkey '<pubkey>' # Public Key of the Peer
- set interfaces wireguard wg01 port '51820' # Port of own server
- set protocols static route 192.168.2.0/24 interface wg01 # Static route to remote subnet
-
-The last step is to define an interface route for 192.168.2.0/24 to get
-through the WireGuard interface `wg01`. Multiple IPs or networks can be
-defined and routed. The last check is allowed-ips which either prevents
-or allows the traffic.
-
-.. note:: You can not assign the same allowed-ips statement to multiple
+.. warning:: You can not assign the same allowed-ips statement to multiple
WireGuard peers. This a design decision. For more information please
check the `WireGuard mailing list`_.
.. cfgcmd:: set interfaces wireguard <interface> private-key <name>
- To use a named key on an interface, the option private-key needs to be
- set.
+ To use a named key on an interface, the option private-key needs to be set.
.. code-block:: none
@@ -133,7 +179,6 @@ or allows the traffic.
The command :opcmd:`show wireguard keypairs pubkey KP01` will then show the
public key, which needs to be shared with the peer.
-
**remote side - commands**
.. code-block:: none
@@ -141,24 +186,12 @@ or allows the traffic.
set interfaces wireguard wg01 address '10.1.0.2/30'
set interfaces wireguard wg01 description 'VPN-to-wg01'
set interfaces wireguard wg01 peer to-wg02 allowed-ips '192.168.1.0/24'
- set interfaces wireguard wg01 peer to-wg02 address '<Site1 Pub IP>'
+ set interfaces wireguard wg01 peer to-wg02 address '192.0.2.2'
set interfaces wireguard wg01 peer to-wg02 port '51820'
set interfaces wireguard wg01 peer to-wg02 pubkey 'u41jO3OF73Gq1WARMMFG7tOfk7+r8o8AzPxJ1FZRhzk='
set interfaces wireguard wg01 port '51820'
- set protocols static route 192.168.1.0/24 interface wg01
-**remote side - annotated commands**
-
-.. code-block:: none
-
- set interfaces wireguard wg01 address '10.1.0.2/30' # Address of the wg01 tunnel interface.
- set interfaces wireguard wg01 description 'VPN-to-wg01'
- set interfaces wireguard wg01 peer to-wg02 allowed-ips '192.168.1.0/24' # Subnets that are allowed to travel over the tunnel
- set interfaces wireguard wg01 peer to-wg02 address 'Site1 Pub IP' # Public IP address of the Peer
- set interfaces wireguard wg01 peer to-wg02 port '51820' # Port of the Peer
- set interfaces wireguard wg01 peer to-wg02 pubkey '<pubkey>' # Public key of the Peer
- set interfaces wireguard wg01 port '51820' # Port of own server
- set protocols static route 192.168.1.0/24 interface wg01 # Static route to remote subnet
+ set protocols static route 192.168.1.0/24 interface wg01
*******************
Firewall Exceptions
@@ -207,7 +240,7 @@ asymmetric crypto. This is optional.
.. code-block:: none
- wg01# run generate wireguard preshared-key
+ vyos@vyos:~$ generate pki wireguard preshared-key install
rvVDOoc2IYEnV+k5p7TNAmHBMEGTHbPU8Qqg8c/sUqc=
Copy the key, as it is not stored on the local filesystem. Because it
@@ -234,17 +267,17 @@ the peers. This allows the peers to interact with one another.
wireguard wg0 {
address 10.172.24.1/24
- address 2001:DB8:470:22::1/64
+ address 2001:db8:470:22::1/64
description RoadWarrior
peer MacBook {
allowed-ips 10.172.24.30/32
- allowed-ips 2001:DB8:470:22::30/128
+ allowed-ips 2001:db8:470:22::30/128
persistent-keepalive 15
pubkey F5MbW7ye7DsoxdOaixjdrudshjjxN5UdNV+pGFHqehc=
}
peer iPhone {
allowed-ips 10.172.24.20/32
- allowed-ips 2001:DB8:470:22::20/128
+ allowed-ips 2001:db8:470:22::20/128
persistent-keepalive 15
pubkey BknHcLFo8nOo8Dwq2CjaC/TedchKQ0ebxC7GYn7Al00=
}
@@ -259,7 +292,7 @@ through the connection.
[Interface]
PrivateKey = ARAKLSDJsadlkfjasdfiowqeruriowqeuasdf=
- Address = 10.172.24.20/24, 2001:DB8:470:22::20/64
+ Address = 10.172.24.20/24, 2001:db8:470:22::20/64
DNS = 10.0.0.53, 10.0.0.54
[Peer]
@@ -276,11 +309,11 @@ tunnel. All other traffic is unaffected.
[Interface]
PrivateKey = 8Iasdfweirousd1EVGUk5XsT+wYFZ9mhPnQhmjzaJE6Go=
- Address = 10.172.24.30/24, 2001:DB8:470:22::30/64
+ Address = 10.172.24.30/24, 2001:db8:470:22::30/64
[Peer]
PublicKey = RIbtUTCfgzNjnLNPQ/ulkGnnB2vMWHm7l2H/xUfbyjc=
- AllowedIPs = 10.172.24.30/24, 2001:DB8:470:22::/64
+ AllowedIPs = 10.172.24.30/24, 2001:db8:470:22::/64
Endpoint = 192.0.2.1:2224
PersistentKeepalive = 25
@@ -294,14 +327,14 @@ Status
.. opcmd:: show interfaces wireguard wg0 summary
- Show info about the Wireguard service.
+ Show info about the Wireguard service.
It also shows the latest handshake.
.. code-block:: none
vyos@vyos:~$ show interfaces wireguard wg0 summary
interface: wg0
- public key:
+ public key:
private key: (hidden)
listening port: 51820
@@ -341,39 +374,6 @@ Status
TX: bytes packets errors dropped carrier collisions
0 0 0 0 0 0
-***************
-Encryption Keys
-***************
-
-.. opcmd:: show wireguard keypair pubkey <name>
-
- Show public key portion for specified key. This can be either the ``default``
- key, or any other named key-pair.
-
- The ``default`` keypair
-
- .. code-block:: none
-
- vyos@vyos:~$ show wireguard keypair pubkey default
- FAXCPb6EbTlSH5200J5zTopt9AYXneBthAySPBLbZwM=
-
- Name keypair ``KP01``
-
- .. code-block:: none
-
- vyos@vyos:~$ show wireguard keypair pubkey KP01
- HUtsu198toEnm1poGoRTyqkUKfKUdyh54f45dtcahDM=
-
-.. opcmd:: delete wireguard keypair pubkey <name>
-
- Delete a keypair, this can be either the ``default`` key, or any other
- named key-pair.
-
- .. code-block:: none
-
- vyos@vyos:~$ delete wireguard keypair default
-
-
***********************************
Remote Access "RoadWarrior" clients
***********************************