VPN access on Linux

The instructions below are geared towards Ubuntu, although since it uses the standard nm-applet, there shouldn't be too much difference between the distros. They have been tested and are known to work up to 11.04.

http://tipotheday.com/2008/04/29/connect-to-windows-vpn-server-pptp-with...

Important things to note:

• Our vpn server is called vpn.physics.ox.ac.uk
• You will need to disable CHAP and EAP authentication methods while enabling MSCHAP and MSCHAP 2
• You will need to enable point-to-point encryption