Hi.
I guess this is more like a general Linux question.

How can I find out on my Fedora 25 what port I have to open up for a
program to work?

I recently purchased a Multifunction Canon Printer TS5000 series. They use
a propetary program for scanning images called ScangearMP .

When I execute scangearmp2 it cannot find the printer on the wireless
network.
If I drop the firewall, then scangearmp2 indeed finds the printer.

How can I find out what firewall ports scangear is trying to use? I tried
netstat but the listing I saw was kind of large and did not immediately
make sense to me.

Thanks for any help

-- 
------------------------------
 /\_/\
 |O O|  pepeb...@gmail.com
 ~~~~     Javier Perez
 ~~~~          While the night runs
 ~~~~          toward the day...
  m m       Pepebuho watches
                from his high perch.
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