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.. _pptp:
PPTP-Server
-----------
The Point-to-Point Tunneling Protocol (PPTP_) has been implemented in VyOS only for backwards compatibility.
PPTP has many well known security issues and you should use one of the many other new VPN implementations.
As per default and if not otherwise defined, mschap-v2 is being used for authentication and mppe 128-bit (stateless) for encryption.
If no gateway-address is set within the configuration, the lowest IP out of the /24 client-ip-pool is being used. For instance, in the example below it would be 192.168.0.1.
server example
^^^^^^^^^^^^^^
.. code-block:: sh
set vpn pptp remote-access authentication local-users username test password 'test'
set vpn pptp remote-access authentication mode 'local'
set vpn pptp remote-access client-ip-pool start '192.168.0.10'
set vpn pptp remote-access client-ip-pool stop '192.168.0.15'
set vpn pptp remote-access gateway-address '10.100.100.1'
set vpn pptp remote-access outside-address '10.1.1.120'
client example (debian 9)
^^^^^^^^^^^^^^^^^^^^^^^^^
Install the client software via apt and execute pptpsetup to generate the configuration.
.. code-block:: sh
apt-get install pptp-linux
pptpsetup --create TESTTUNNEL --server 10.1.1.120 --username test --password test --encrypt
pon TESTTUNNEL
The command pon TESTUNNEL establishes the PPTP tunnel to the remote system.
All tunnel sessions can be checked via:
.. code-block:: sh
run sh pptp-server sessions
ifname | username | calling-sid | ip | type | comp | state | uptime
--------+----------+-------------+--------------+------+------+--------+----------
ppp0 | test | 10.1.1.99 | 192.168.0.10 | pptp | mppe | active | 00:00:58
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