The following table describes the required configuration for port values for Azure Relay.
Hybrid Connections
Hybrid Connections uses WebSockets as the underlying transport mechanism, which uses HTTPS only.
WCF Relays
| Binding | Transport Security | Port |
|---|---|---|
| BasicHttpRelayBinding Class (client) | Yes | HTTPS |
| " | No | |
| BasicHttpRelayBinding Class (service) | Either | 9351/HTTP |
| NetEventRelayBinding Class (client) | Yes | 9351/HTTPS |
| " | No | |
| NetEventRelayBinding Class (service) | Either | 9351/HTTP |
| NetTcpRelayBinding Class (client/service) | Either | 5671/9352/HTTP (9352/9353 if using hybrid) |
| NetOnewayRelayBinding Class (client) | Yes | 9351/HTTPS |
| " | No | |
| NetOnewayRelayBinding Class (service) | Either | 9351/HTTP |
| WebHttpRelayBinding Class (client) | Yes | HTTPS |
| " | No | |
| WebHttpRelayBinding Class (service) | Either | 9351/HTTP |
| WS2007HttpRelayBinding Class (client) | Yes | HTTPS |
| " | No | |
| WS2007HttpRelayBinding Class (service) | Either | 9351/HTTP |
Next steps
To learn more about Azure Relay, visit these links:

