filtering rules

I have this is my filter:

ignore any ip.daddr&255.255.0.0=198.178.0.0

Shouldn't this work on a udp packet going to 198.178.200.2?

I had a udp packet going out every 15 seconds to/from port 2233, was
able to bring it down manually but would like to prevent it from keeping
my connection up. Problem is, already had that rule so there's something
I don't understand.

BTW how can one tell what process is responsible for this? Tried fuser
-n udp 2233 but that returned nothing.  I attribute it to some kind of
web usage tracking shenanigans.

thanks

Judah

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