Vuze has a strange habit of bypassing the VPN connection in some situations, exposing your regular internet IP to torrent trackers.

You can force it to only connect via the VPN's TUN interface with the following directions:

• Make sure Vuze User Proficiency is set to "Advanced".
• Under "connections", select "Advanced Network Settings".
• Under "Bind to local interface" enter the interface name of the VPN connection, listed below the entry box. i.e. Tun0
• Select the checkbox for "enforce IP bindings even when interface is not available."
• Select transport encryption. The only checkbox that should be selected is "Require transport encryption".