A client of mine has a PPTP VPN set up at the workplace - W2K3 server behind a firewall, auth done via radius / IAS. It works fine, but setting up a new connections on the XP clients is a pain in the ...
My understanding is that PPTP is the simplest, but has the least encryption and sends the password in clear text.<BR><BR>IPSec seems to be the most secure (with nice fat AES encryption possible) but ...