setup for win xp vpn server and a win7 vpn client

situation
	I want to use me computer as a personal FTP server.
problem
	setup for win xp vpn server and a win7 vpn client
difficulty level
	9/10 :>
compatibility
	Windows xp for VPN server, Win7 or any other windows version. Vpn client could be from any other system.
solution
	win xp, create a vpn server on win xp Control panel -> network connections -> create new connection -> Setup an advanced connection -> Accept incoming connections -> Connection devices: do not check anything, press next -> Allow private connections (this opens the firewall for internet connections) -> User permissions: select the user where will have vpn or create new Network software: TCP ip, in these parameters you should define the pool address that will take the connected vpn client. The first address of the pool will be used from the winxp server as vpn’s nic address and all the others will be given randomly to the connected vpn clients. You cannot easy the DHCP of server’s side.                                                                                   Setup is completed server’s side router, port forwarding From your router, you should forward the follow ports directly to win xp vpn server TCP & UTP 1720-1730 (range) TCP & UTP 120-150 TCP & UTP 500 win7, vpn client connection to win xp vpn server Control Panel -> Network and Sharing Center -> Setup a new connection to network -> Connect to a workplace -> Create new connection (do not choose any existed connection) -> Use my Internet connection (VPN) -> - Internet addess: give the ip or name of the win xp server [ [i] in case you do not have static ip use the NOIP free service ( http://www.no-ip.com/personal/ ) - Destination name: give a description of this connection - Do not use Smart card Voila! Enjoy your new VPN service… totally free.
attention
	- The two networks that are joined should have different address, for example: the one could be 192.168.0.xxx and the other cound me 192.168.124.xxx . - At the end of configuration you should make restart the Win xp vpn server, the Win7 vpn client and the Router, otherwize the vpn might not work with any kind of errors.