# Port Management

Here is a list of default ports used across BTTC nodes:

## Bttc

| Name | Port | Tags | description |
|------------------------|-------|---------------------------|----------------------------------------------------------------------------------------------------------------|
| Network listening port | 30303 | public | Network listening port. Bttc uses this port to connect to peers and sync |
| WS server | 8546 | can-be-public, internal | Websocket port |
| Pprof server | 7071 | internal, monitoring | Pprof server to collect metrics from bttc |
| UDP discovery | 30303 | can-be-public, internal | Bootnode default port (for peer discovery) |
| RPC server | 8545 | can-be-public, internal | RPC port to send transaction and get data from Bor. Delivery uses this port to get Bor headers for checkpoints | |

## Delivery

| Name | Port | Tags | description |
|------------------------|-------|---------------------------|----------------------------------------------------------------------------------------------------------------|
| RPC server | 26657 | can-be-public, internal | RPC port to send transaction and get data from Delivery | |
| Prometheus server | 26660 | can-be-public, internal | Prometheus server API server. | |
| P2P server | 26656 | can-be-public, internal | RPC port to send transaction and get data from Delivery | |
| Pprof server | 6060 | can-be-public, internal | Pprof server to collect metrics from Delivery | |