Things to do for iftop $Id$ * Interface types other than ethernet? Should at least detect these.... * IP types other than v4? * 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? * Aggregate traffic by source host / dest host rather than just by host pair. * For promiscuous mode, give a way to define which packets are regarded as `inside' and which `outside' the network. * Cummulative byte counters. * Configurable sort criteria. * Configurable refresh rates. * Ability to turn bar graphs on and off.