pktstat 1.8.5 Description:
pktstat displays a real-time list of active connections seen on a network interface, and how much bandwidth is being used. Partially decodes HTTP and FTP protocols to show what filename is being transferred. X11 application names are also shown. Entries hang around on the screen for a few seconds so you can see what just happened. Also accepts filter expressions ? la tcpdump. I use this a bit to see what is clogging up my modem.