[FairOpinion]

"Mostly to UDP port 41170"

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Maybe that is the remote port it's coming FROM, trying to go to you LOCAL port 4444. At least that is how I understood the suggestion to block our 4444 port ( block our LOCAL 4444 port). I hope that is correct.

[Revel]

"The firewall has blocked Internet access to your computer (UDP Port 41170) from 12.223.106.154 (UDP Port 1487)."
"The firewall has blocked Internet access to your computer (TCP Port 135) from 12.216.51.94 (TCP Port 3991) [TCP Flags: S]."

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There are a lot now to port 135 also. the "From" stuff is all different. I am no great expert in this area however.