On-Premises Network Communications and Ports

network_communication_ports.png

Management Platform

PortDirectionPurpose
HTTPS (tcp/443)INBrowser/API access to Management Platform
SSH (tcp/22)INTroubleshooting via SSH (optional)
NATS (tcp/4222)INMessage Bus for workload clusters
HTTPS (tcp/443)OUTVSphere vCenter API, Registry (packs, integrations), Pack containers, app updates.
HTTPS (tcp/6443)OUTWorkload K8s cluster API Server

Workload Cluster

PortDirectionPurpose
HTTPS (tcp/6443)INKubernetes API Server
SSH (tcp/22)INTroubleshooting via SSH (optional)
NATS (tcp/4222)OUTAgent communication via Message Bus
HTTPS (tcp/443)OUTVSphere vCenter API, Registry (packs, integrations), Pack containers, Application updates.