bitTorrent ghost

[235u at comcast.net (eric)]

Hi.

QUESTION 1.
I have some odd behavior on my tracker and was wondering if anybody knew
what it is.  If I allow others to use my tracker I get these,
http://caffeinated.homelinux.net:6969/  see the uncategorized ones.
There's no torrent file to download.  If I stop and remove them they
instantly appear again.

I think this is the person doing it,
Request: 64.192.77.223
connecting to whois.arin.net [69.25.34.144:43] ... 
Williams Communications, Incorporated WCG-BLK-5 (NET-64-192-0-0-1) 
                                  64.192.0.0 - 64.193.255.255
Airwave Networks WLCO-TWC02116350-AIRWAVE-NETWORKS-BLK-2 (NET-64-192-72-0-1) 
                                  64.192.72.0 - 64.192.79.255

What's that just a regular ISP address like I'd get from comcast?
Anyway, I block this address from using my tracker, remove the ghost
like torrents, and don't ya know the same thing pops up again but with
a different address!  Is it just another p2p client being a pain, a
bug, or something unfriendly?

QUESTION 2.
I'm getting port scanned daily. What is the proper reaction?  Nail biting?  :)

Thanks for any tips.

-Eric

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