USB ports don't tell you much by themselves, but you can learn a lot by running a few simple tests ...

A Port basically serves as an interface between your computer and the internet or other computers in the network. Every communication over the web is exchanged using these ports, so they are an ...

i believe you can use netcat to just "listen" on any port, and i think there is a version of netcat for windows... you're definately on the right track with a portscan of your own IP being a good ...