Thats cool
I had ports open to the internet for the phone for a while ports 9981 and 9982 and saw people continually trying to connect, I am pretty sure they were just scanners
like leaving ssh on 22 your log file will fill up with attempts
possible somebody guessed your password or you have one entry with no password
you can open higher ports that scanners don't look for like 25000 and 25001 and link those to the 9981 and 9982 in your router
maybe
Clint