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What are the network port to be opened for docker swarm.

Please suggest firewall port to be opened for firewall while creating docker swarm.


Posted by Rohit Arora on February 4th 2018 18:17 PM

Docker daemons needs following ports to be opened to talk each other within swarm. 2377 Tcp port for cluster management communication 7946 Tcp/Udp Port for communication among swarm nodes 4789 Udp Port for the container overlay network traffic.

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