Sunday, December 25, 2011

TCP Port 36081

Happy Annual Gift Day!

I woke up bleary-eyed this morning at around 3AM, disappointing the cats who thought it was breakfast time, and sat down at the computer and pulled up the proxy list. I was greeted with a smattering of new proxies on port 36081.

This struck me as unusual so I did a quick check of the database to see how long it's been going on.

And it's only been going on for the last five days (see also SANS data on 36081), but let me qualify that. I have been finding live, High Anon, CERN-ish proxies on this port for the last five days. Not SOCKS!

I had a smattering of hits in 2008 and 2010 on port 36081, nothing at all in 2009, and seven between January 1st and December 1st of this year (2011).

328 of them—96%—in the last five days. 100% are located on residential IPs in the US, making them useless for me, since I don't do US proxies, and they're spread out in 44 states pretty much by population with the top three states being Texas, California, and Ohio.

What's special about 36081, the number? Nothing. It falls in an "UNASSIGNED" IANA port range, which in itself is meaningful and probably not random. It's not prime. It's the Zip code of Troy (as in "Trojan"), Alabama. It's the part number of a popular surge protector.

Oh, GOODIE!

Something new and wonderful is happening!

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