My thoughts:   That **** uTorrent is leaky as hell (for example it doesn't respect proxy settings) and the devs have no ethics. Get the latest version of qBittorrent and stick to it. It's light, open source and has good privacy options.    Disable UPnP and NAT-PMP in the options.    Set maximum peers to 1250 global and 250 per torrent.   Set the download port to one you have forwarded via Air's client area. Do NOT open the port on your router.   If you're paranoid you can also set qBittorrent to