How To Enable Ports For Docker Swarm In Ubuntu 27 February 2017 Hello everybody, today I want to document how to enable ports for dokcer swarm in ubuntu: sudo ufw enablesudo ufw allow 2377/tcpsudo ufw allow 7946/tcpsudo ufw allow 7946/udpsudo ufw allow 4789/tcpsudo ufw verbose Read more on How To Enable Ports For Docker...