If someone is really probing things he'll use stealth scans (SYN, TCP null, FIN, Xmas). These will not show up.
That sounds scary. So someone can actually scan an Amiga HD if you're connected? I thought this sort of thing could only happen if the OS supported it - like Windows with all its "remote control features". What sort of things can someone do on an Amiga running WB 3.1 and Miami?