> I'm trying to track down network traffic on our > LAN. I'm seeing very frequent use of upper-level > ports I don't recognize, like 4081. Does anyone > know where you can go to get a comprehensive list > of what ports are used by what > systems/applications? Thanks for any help... > > Scott >From this list: http://www.iana.org/assignments/port-numbers # 4043-4095 Unassigned