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author | Robert Göhler <github@ghlr.de> | 2021-01-24 22:14:00 +0100 |
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committer | GitHub <noreply@github.com> | 2021-01-24 22:14:00 +0100 |
commit | c25c40dfa96dfeb022b203280c607c1f1835417b (patch) | |
tree | ed05f81d48c65639e621ee3a067f435cb204ea9e /docs/vpn/l2tp.rst | |
parent | ce9f2016218f0c162bd48457a41a18db15e52749 (diff) | |
download | vyos-documentation-c25c40dfa96dfeb022b203280c607c1f1835417b.tar.gz vyos-documentation-c25c40dfa96dfeb022b203280c607c1f1835417b.zip |
Migrate new file structure to crux (#435)
* order workflows and add submodule
* rename gitmodules file
* delete docs/.gitignore
* add vyos custom linter
* correct __pycache__ in gitignore
* add test-coverage.py
* move draw.io folder
* arrange changelog, install history and about
* arrange: firewall
* arrange: highavailability
* arrange: loadbalancing
* arrange: nat
* arrange: services
* sort configexamples and configuration interfaces
* wireles: rename wireless
* rearrange: Protocols and Policy
* rearrange: Firewall and Zone Policy
* rearrange: Interfaces
* rearrange: Interfaces
* rearrange: dynamic DNS
* hostinfo: add page to index
* rearrange: appendix
* venv: add Pipfile
* rearrange: contributing
* index: remove debugging
* rearrange: fix all figure and refs
* rearrange: commandtree
* fix: cli, openvpn, install headline level
* protocols: change headline
* firewall: move mss clamping
* ip: separate ipv4 and ipv6
* arp: move to static page
* igmp: rename multicast page
* Update to year 2021
Diffstat (limited to 'docs/vpn/l2tp.rst')
-rw-r--r-- | docs/vpn/l2tp.rst | 131 |
1 files changed, 0 insertions, 131 deletions
diff --git a/docs/vpn/l2tp.rst b/docs/vpn/l2tp.rst deleted file mode 100644 index 64223475..00000000 --- a/docs/vpn/l2tp.rst +++ /dev/null @@ -1,131 +0,0 @@ -.. _l2tp: - -L2TP over IPsec ---------------- - -Example for configuring a simple L2TP over IPsec VPN for remote access (works -with native Windows and Mac VPN clients): - -.. code-block:: none - - set vpn ipsec ipsec-interfaces interface eth0 - set vpn ipsec nat-traversal enable - set vpn ipsec nat-networks allowed-network 0.0.0.0/0 - - set vpn l2tp remote-access outside-address 203.0.113.2 - set vpn l2tp remote-access client-ip-pool start 192.168.255.1 - set vpn l2tp remote-access client-ip-pool stop 192.168.255.254 - set vpn l2tp remote-access ipsec-settings authentication mode pre-shared-secret - set vpn l2tp remote-access ipsec-settings authentication pre-shared-secret <secret> - set vpn l2tp remote-access authentication mode local - set vpn l2tp remote-access authentication local-users username <username> password <password> - -In the example above an external IP of 203.0.113.2 is assumed. - -If a local firewall policy is in place on your external interface you will need -to open: - -* UDP port 500 (IKE) -* IP protocol number 50 (ESP) -* UDP port 1701 for IPsec - -In addition when NAT is detected by the VPN client ESP is encapsulated in UDP -for NAT-traversal: - -* UDP port 4500 (NAT-T) - -Example: - -.. code-block:: none - - set firewall name OUTSIDE-LOCAL rule 40 action 'accept' - set firewall name OUTSIDE-LOCAL rule 40 protocol 'esp' - set firewall name OUTSIDE-LOCAL rule 41 action 'accept' - set firewall name OUTSIDE-LOCAL rule 41 destination port '500' - set firewall name OUTSIDE-LOCAL rule 41 protocol 'udp' - set firewall name OUTSIDE-LOCAL rule 42 action 'accept' - set firewall name OUTSIDE-LOCAL rule 42 destination port '4500' - set firewall name OUTSIDE-LOCAL rule 42 protocol 'udp' - set firewall name OUTSIDE-LOCAL rule 43 action 'accept' - set firewall name OUTSIDE-LOCAL rule 43 destination port '1701' - set firewall name OUTSIDE-LOCAL rule 43 ipsec 'match-ipsec' - set firewall name OUTSIDE-LOCAL rule 43 protocol 'udp' - -Also note that if you wish to allow the VPN to be used for external access you -will need to add the appropriate source NAT rules to your configuration. - -.. code-block:: none - - set nat source rule 110 outbound-interface 'eth0' - set nat source rule 110 source address '192.168.255.0/24' - set nat source rule 110 translation address masquerade - -To be able to resolve when connected to the VPN, the following DNS rules are -needed as well. - -.. code-block:: none - - set vpn l2tp remote-access dns-servers server-1 '8.8.8.8' - set vpn l2tp remote-access dns-servers server-2 '8.8.4.4' - -.. note:: Those are the `Google public DNS`_ servers. You can also use the - public available servers from Quad9_ (9.9.9.9) or Cloudflare_ (1.1.1.1). - -Established sessions can be viewed using the **show vpn remote-access** -operational command. - -.. code-block:: none - - vyos@vyos:~$ show vpn remote-access - Active remote access VPN sessions: - User Proto Iface Tunnel IP TX byte RX byte Time - ---- ----- ----- --------- ------- ------- ---- - vyos L2TP l2tp0 192.168.255.1 3.2K 8.0K 00h06m13s - -RADIUS authentication -^^^^^^^^^^^^^^^^^^^^^ - -The above configuration made use of local accounts on the VyOS router for -authenticating L2TP/IPSec clients. In bigger environments usually something -like RADIUS_ (FreeRADIUS_ or Microsoft `Network Policy Server`_, NPS) is used. - -VyOS supports either `local` or `radius` user authentication: - -.. code-block:: none - - set vpn l2tp remote-access authentication mode <local|radius> - -In addition one or more RADIUS_ servers can be configured to server for user -authentication. This is done using the `radius server` and `radius server key` -nodes: - -.. code-block:: none - - set vpn l2tp remote-access authentication radius server 1.1.1.1 key 'foo' - set vpn l2tp remote-access authentication radius server 2.2.2.2 key 'foo' - -.. note:: Some RADIUS_ severs make use of an access control list who is allowed - to query the server. Please configure your VyOS router in the allowed client - list. - -RADIUS source address -********************* - -If you are using e.g. OSPF as IGP always the nearest interface facing the RADIUS -server is used. With VyOS 1.2 you can bind all outgoing RADIUS requests to a -single source IP e.g. the loopback interface. - -.. code-block:: none - - set vpn l2tp remote-access authentication radius source-address 3.3.3.3 - -Above command will use `3.3.3.3` as source IPv4 address for all RADIUS queries -on this NAS. - - -.. _`Google Public DNS`: https://developers.google.com/speed/public-dns -.. _Quad9: https://quad9.net -.. _CloudFlare: https://blog.cloudflare.com/announcing-1111 -.. _RADIUS: https://en.wikipedia.org/wiki/RADIUS -.. _FreeRADIUS: https://freeradius.org -.. _`Network Policy Server`: https://en.wikipedia.org/wiki/Network_Policy_Server |