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Diffstat (limited to 'docs/configuration/vpn')
| -rw-r--r-- | docs/configuration/vpn/index.rst | 2 | ||||
| -rw-r--r-- | docs/configuration/vpn/wireguard.rst | 405 |
2 files changed, 0 insertions, 407 deletions
diff --git a/docs/configuration/vpn/index.rst b/docs/configuration/vpn/index.rst index c57fc4eb..3cd9e50d 100644 --- a/docs/configuration/vpn/index.rst +++ b/docs/configuration/vpn/index.rst @@ -13,8 +13,6 @@ VPN pptp rsa-keys sstp - wireguard - pages to sort diff --git a/docs/configuration/vpn/wireguard.rst b/docs/configuration/vpn/wireguard.rst deleted file mode 100644 index 91b5fe71..00000000 --- a/docs/configuration/vpn/wireguard.rst +++ /dev/null @@ -1,405 +0,0 @@ -.. _wireguard: - -######### -WireGuard -######### - -WireGuard is an extremely simple yet fast and modern VPN that utilizes -state-of-the-art cryptography. See https://www.wireguard.com for more -information. - -************* -Diagram -************* - -This diagram corresponds with the configuration below. - -.. figure:: /_static/images/wireguard_vpn_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. - -Generate Keypair -================ - -.. opcmd:: generate wireguard default-keypair - - 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. - -.. opcmd:: show wireguard keypairs pubkey default - - 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. - - .. code-block:: none - - vyos@vyos:~$ show wireguard keypairs pubkey default - hW17UxY7zeydJNPIyo3UtGnBHkzTK/NeBOrDSIU9Tx0= - - -Generate Named Keypair -====================== - -Named keypairs can be used on a interface basis when configured. If -multiple WireGuard interfaces are being configured, each can have their -own keypairs. - -.. opcmd:: generate wireguard named-keypairs <name> - - The commands below generates 2 keypairs unrelated to each other. - - .. code-block:: none - - vyos@vyos:~$ generate wireguard named-keypairs KP01 - vyos@vyos:~$ generate wireguard named-keypairs KP02 - - -************************** -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 as 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. - -**local side - commands** - -.. 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 '2.2.2.2' - 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** - -.. code-block:: none - - 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 '2.2.2.2' # 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 10.2.0.0/24 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 - WireGuard peers. This a 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. - - .. code-block:: none - - set interfaces wireguard wg01 private-key KP01 - - 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 - - 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 '1.1.1.1' - 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 '1.1.1.1' # Public IP address of the Peer - set interfaces wireguard wg01 peer to-wg02 port '12345' # 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 remote subnet - -************************** -Firewall Exceptions -************************** - -For the WireGuard traffic to pass through the WAN interface, you must create a firewall exception. - -.. code-block:: none - - set firewall name OUTSIDE_LOCAL rule 10 action accept - set firewall name OUTSIDE_LOCAL rule 10 description 'Allow established/related' - set firewall name OUTSIDE_LOCAL rule 10 state established enable - set firewall name OUTSIDE_LOCAL rule 10 state related enable - set firewall name OUTSIDE_LOCAL rule 20 action accept - set firewall name OUTSIDE_LOCAL rule 20 description WireGuard_IN - set firewall name OUTSIDE_LOCAL rule 20 destination port 51820 - set firewall name OUTSIDE_LOCAL rule 20 log enable - set firewall name OUTSIDE_LOCAL rule 20 protocol udp - set firewall name OUTSIDE_LOCAL rule 20 source - -You should also ensure that the OUTISDE_LOCAL firewall group is applied to the WAN interface and a direction (local). - -.. code-block:: none - - set interfaces ethernet eth0 firewall local name 'OUTSIDE-LOCAL' - -Assure that your firewall rules allow the traffic, in which case you have a working VPN using WireGuard. - -.. code-block:: none - - wg01# ping 192.168.1.1 - PING 192.168.1.1 (192.168.1.1) 56(84) bytes of data. - 64 bytes from 192.168.1.1: icmp_seq=1 ttl=64 time=1.16 ms - 64 bytes from 192.168.1.1: icmp_seq=2 ttl=64 time=1.77 ms - - wg02# ping 192.168.2.1 - PING 192.168.2.1 (192.168.2.1) 56(84) bytes of data. - 64 bytes from 192.168.2.1: icmp_seq=1 ttl=64 time=4.40 ms - 64 bytes from 192.168.2.1: icmp_seq=2 ttl=64 time=1.02 ms - -An additional layer of symmetric-key crypto can be used on top of the -asymmetric crypto. This is optional. - -.. code-block:: none - - wg01# run generate wireguard preshared-key - rvVDOoc2IYEnV+k5p7TNAmHBMEGTHbPU8Qqg8c/sUqc= - -Copy the key, as it is not stored on the local filesystem. Because it -is a symmetric key, only you and your peer should have knowledge of -its content. Make sure you distribute the key in a safe manner, - -.. code-block:: none - - wg01# set interfaces wireguard wg01 peer to-wg02 preshared-key 'rvVDOoc2IYEnV+k5p7TNAmHBMEGTHbPU8Qqg8c/sUqc=' - wg02# set interfaces wireguard wg01 peer to-wg01 preshared-key 'rvVDOoc2IYEnV+k5p7TNAmHBMEGTHbPU8Qqg8c/sUqc=' - - -******************************* -Mobile "RoadWarrior" Example -******************************* - -With WireGuard, a Road Warrior VPN config is similar to a site-to-site -VPN. It just lacks the ``address`` and ``port`` statements. - -In the following example, the IPs for the remote clients are defined in -the peers. This allows the peers to interact with one another. - -.. code-block:: none - - wireguard wg0 { - address 10.172.24.1/24 - 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 - persistent-keepalive 15 - pubkey F5MbW7ye7DsoxdOaixjdrudshjjxN5UdNV+pGFHqehc= - } - peer iPhone { - allowed-ips 10.172.24.20/32 - allowed-ips 2001:DB8:470:22::20/128 - persistent-keepalive 15 - pubkey BknHcLFo8nOo8Dwq2CjaC/TedchKQ0ebxC7GYn7Al00= - } - port 2224 - } - -The following is the config for the iPhone peer above. It's important to -note that the ``AllowedIPs`` wildcard setting directs all IPv4 and IPv6 traffic -through the connection. - -.. code-block:: none - - [Interface] - PrivateKey = ARAKLSDJsadlkfjasdfiowqeruriowqeuasdf= - Address = 10.172.24.20/24, 2001:DB8:470:22::20/64 - DNS = 10.0.0.53, 10.0.0.54 - - [Peer] - PublicKey = RIbtUTCfgzNjnLNPQ/ulkGnnB2vMWHm7l2H/xUfbyjc= - AllowedIPs = 0.0.0.0/0, ::/0 - Endpoint = 192.0.2.1:2224 - PersistentKeepalive = 25 - -However, split-tunneling can be achieved by specifing the remote subnets. -This ensures that only traffic destined for the remote site is sent over the tunnel. -All other traffic is unaffected. - -.. code-block:: none - - [Interface] - PrivateKey = 8Iasdfweirousd1EVGUk5XsT+wYFZ9mhPnQhmjzaJE6Go= - 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 - Endpoint = 192.0.2.1:2224 - PersistentKeepalive = 25 - - -******************** -Operational Commands -******************** - -Status -====== - -.. opcmd:: sudo wg - - Show info about the Wireguard service. - Also shows the latest handshake. - - .. code-block:: none - - interface: wg0 - public key: - private key: (hidden) - listening port: 51869 - - peer: <peer pubkey> - endpoint: <peer public IP> - allowed ips: 10.69.69.2/32 - latest handshake: 23 hours, 45 minutes, 26 seconds ago - transfer: 1.26 MiB received, 6.47 MiB sent - -.. opcmd:: show interfaces wireguard - - Get a list of all wireguard interfaces - - .. code-block:: none - - Codes: S - State, L - Link, u - Up, D - Down, A - Admin Down - Interface IP Address S/L Description - --------- ---------- --- ----------- - wg0 10.0.0.1/24 u/u - - -.. opcmd:: show interfaces wireguard <interface> - - Show general information about specific WireGuard interface - - .. code-block:: none - - vyos@vyos:~$ show interfaces wireguard wg01 - interface: wg0 - address: 10.0.0.1/24 - public key: h1HkYlSuHdJN6Qv4Hz4bBzjGg5WUty+U1L7DJsZy1iE= - private key: (hidden) - listening port: 41751 - - RX: bytes packets errors dropped overrun mcast - 0 0 0 0 0 0 - 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 - - -******************************* -Mobile "RoadWarrior" clients -******************************* - -Some users tend to connect their mobile devices using WireGuard to their VyOS -router. To ease deployment one can generate a "per mobile" configuration from -the VyOS CLI. - -.. warning:: From a security perspective it is not recommended to let a third - party create and share the private key for a secured connection. You should create the - private portion on your own and only hand out the public key. Please keep this - in mind when using this convenience feature. - -.. opcmd:: generate wireguard client-config <name> interface <interface> server <ip|fqdn> address <client-ip> - - Using this command you will create a new client configuration which can - connect to ``interface`` on this router. The public key from the specified - interface is automatically extracted and embedded into the configuration. - - The command also generates a configuration snipped which can be copy/pasted - into the VyOS CLI if needed. The supplied ``<name>`` on the CLI will become - the peer name in the snippet. - - In addition you will specifiy the IP address or FQDN for the client where it - will connect to. The address parameter can be used up to two times and is used - to assign the client its specific IPv4 (/32) or IPv6 (/128) address. - - .. figure:: /_static/images/wireguard_qrcode.jpg - :alt: WireGuard Client QR code - -.. stop_vyoslinter - -.. _`WireGuard mailing list`: https://lists.zx2c4.com/pipermail/wireguard/2018-December/003704.html - -.. start_vyoslinter |