Things to do for iftop
$Id$

BUG: 20s/40s averages are wrong when freeze_order is on.
BUG: MAC address is broken.

* Search for BSD interface names - need to know what to look for.

* IP types other than v4?

* Config file.

* Which average to use for the bar graph? Show several and peaks? Colours?

* Single keypress firewalling of troublesome connections, a la top(1)'s K
  to kill?

* Configurable refresh rates.