[RootbeaR]

This gives you the power to ensure that downloads from Firefox don't interfere with your attempts to download a file through FTP.

"My biggest concern with Trickle is that it can't dynamically adjust set speeds. So, if you set the upload rates at 20kbps for Firefox, but later decide to increase or decrease it, you will have to close Firefox, reset the speeds and then launch Firefox. And not just Firefox: Trickle doesn't allow dynamic speed adjustments at all."