Thank you for using Ubuntu and taking the time to report a bug. The latest ufw 
in Hardy is now 0.16.2. ufw 0.16.1 and earlier logged INVALID packets, which 
results in many false positives. It is appropriate for ufw to block these 
packets, but not log them. I suggest performing from the remote host to be sure 
the port is open:
nmap -P0 -p 37000 <host running ufw>

Keep in mind, the kernel is identifying these packets as INVALID. This
could be because of a router or the service listening on port 37000. You
did not specify what type of service this is and depending on the
service, you may need to load additional kernel modules. These modules
can be configured in /etc/default/ufw.


** Changed in: ufw (Ubuntu)
     Assignee: (unassigned) => Jamie Strandboge (jamie-strandboge)
       Status: New => Incomplete

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UFW blocks traffic inappropriately
https://bugs.launchpad.net/bugs/216661
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