For Bulgarian VPN connection - use the following VPN server bg.bg-vpn.net
For Germany VPN connection - use the following VPN server de.bg-vpn.net
For Netherland VPN connection - use the following VPN server nl.bg-vpn.net

How to connect using VPN connection

This article shows how to setup VPN connection with Windows XP/2003



First find where the icon My Network Places is,and right click it.Then select "Properties" from the drop-down menu.
Double click "New Connection Wizard" icon.
In the new connection wizard, just click Next button.
At this moment you have to choose "Connect to the network at my work place".
Here you have to choose "Virtual private network connection" (VPN)
You have to write some description of the new VPN connection e.g. bg-vpn.
Here you have to enter hostname vor the VPN server. The host for this new connection to Bulgarian server must be "bg.bg-vpn.net", and for connection to German server - "de.bg-vpn.net"
We recommend you to check "Add shortcut to my desktop". This would be useful for you-your dial-up "bg-vpn" icon will appear on your desktop.
At this stage you must enter your username and password as you have already entered in the registration form in bg-vpn.net

See also:

how to setup VPN connection with iPhone