The following TCP and UDP ports are used in a high availability multi-node deployment:
| Port | Protocol | Service | Comment | Communication Path |
|---|---|---|---|---|
| 53 | TCP | Node local DNS for Kubernetes | Open | Node to Node |
| 4567 | UDP, TCP | Galera cluster replication | Open | Node to Node |
| 4568 | UDP, TCP | Galera incremental state transfer | Open | Node to Node |
| 24007 | UDP, TCP | GlusterFS daemon | Open | Node to Node |
| 24008 | UDP, TCP | GlusterFS management | Open | Node to Node |
| 49152 through 49251 | TCP | GlusterFS bricks | Open | Node to Node |