CheckPortsInUse
From MLDonkey
What TCP ports are already used on my box ?
See the output of netstat -lntp
What UDP ports are already used on my box ?
See the output of netstat -lnup
(It's best to run above commands as root, so that no processes are hidden from you.)
New commands in version 2.8.2
porttest - executes EDK (eMule-compatible) and BT (Azureus-compatible) porttest
portinfo - list used ports