Things to do for iftop
$Id$

* Add configurable offset for DLT_RAW

* 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? - add option to choose

* Show several and peaks? Colours?

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

* Configurable refresh rates.

* Specify max link, then show %age capacity.

* Turn off port resolution => add to config file

* Linear bar graphs.