I had the same thought and solved it in the same way but I noticed that dpkg-reconfigure did not regenerate the dsa key. Is this normal or is it a problem?
Thank you
Regards

The proposed solution it's not ideal. Accordingly to this post The right solutions should be to edit this file sudo nano /lib/systemd/system/ufw.service and add the following line at the end of the first section After=netfilter-persistent.service The result should be like this: [Unit] Description=Un...