The way the traffic is coming into the system, ufw is doing the right thing. You should be able to make discovery work on your network with:
$ sudo ufw allow from 10.0.0.0/24 port 5353 proto udp
The way the traffic is coming into the system, ufw is doing the right thing. You should be able to make discovery work on your network with:
$ sudo ufw allow from 10.0.0.0/24 port 5353 proto udp