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I Left Port 22 Open on the Internet for 54 Days. Here's Who Showed Up.
(arman-bd.hashnode.dev)
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this post was submitted on 28 Apr 2026
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It's possible it was something misconfigured, a poorly-written script, or a bug in some software causing unexpected behavior. At the scale of the Internet, all of those are very possible.
It could also be the Internet equivalent of a numbers station.
It's was a pretty specific non standard port on UDP. It's not even doing proper scanning since the byte sequence used isn't one that would trigger a response challenge/ack. My guess is someone trying to DOS using an older byte sequence that used to choke/kill the server software on older versions.