Added user rules (see 'ufw status' for running firewall):
ufw allow 22/tcp
ufw allow 8080/tcp
ufw allow 5671/tcp comment 'mesh-host adoption.opening-tcp-5671-incoming 1a2b3c4d'
ufw allow in on mesh0 to any port 5432 proto tcp comment 'mesh-host adoption.opening-tcp-5432-incoming deadbeef'
ufw route allow 80/tcp comment 'mesh-host adoption.opening-tcp-8081-forwarded 0badf00d'
ufw route allow in on mesh0 to any port 443 proto tcp comment 'mesh-host adoption.opening-tcp-8443-forwarded cafe0001'
ufw allow 51820/udp comment 'mesh-host adoption.opening-udp-51820-incoming 11112222'