Noah requires the following ports to be open for client server communication:
| Port | TCP/UDP | Description |
| 8200 | TCP | Noah client-server communication using TLS REST and GenuineChannels |
| 8206 | TCP | Noah client-server communication using TLS REST communication |
| 8300 | UDP | Noah Server Location services * Noah will function if this port is closed |
Important: The following port information is made available only for locations that have Noah configured with the WSI solution.
Noah requires the following ports to be open for connections when using WSI:
| Port | TCP/UDP | Description |
| 8000 | TCP | Used to listen for inbound data from a member companies business system (also referred to as the Back End System (BES)). |
| 8001 | TCP | Used by Noah System 4 to send data out of Noah and into the member companies business system. |
| 8080 | TCP | Used by Noah System 4 to receive requests from the Business System to the start the Noah System 4 GUI and select a patient. |
| 8081 | TCP | Used to listen for inbound Full patient record exports from a member companies business system (also referred to as the Back End System (BES)). See Full patient record import/export for more details. |
Important: The following port information is made available only for locations that have Noah configured with Noah Mobile.
Noah requires the following ports to be open for outbound connections when using Noah Mobile:
** These entries are not required.
| Action | Domain | Protocol | Port | Description |
| Upload into Storage | *.blob.core.windows.net | Http/s | 80/443 | Push data into Azure Storage |
| Service Bus Relay HTTP Mode | *.servicebus.windows.net | SB over HTTP | 80 | Listeners on Service Bus Relay over HTTP (requires 443 for Access Control) |
| Service Bus Pub-sub over REST | *.servicebus.windows.net | HTTPS | 443 | Service Bus Queue/Topic/Message Buffer over REST |
| Access Noah Mobile Web API over REST | *.api.noahmobile.net | HTTPS | 443 | Noah Mobile Web API over REST |
| Authenticate using Noah Mobile Authentication Server over REST | *.auth.noahmobile.net | HTTPS | 443 | Noah Mobile Authentication Server over REST |
| ** Service Bus Relay TCP Mode | *.servicebus.windows.net | SB over TCP | 9350, 9351, 9352, 9353 | Listeners on Service Bus Relay over TCP (requires 443 for Access Control token acquisition) |
| ** Service Bus Publish Subscribe | *.servicebus.windows.net | SBMP over TCP | 9354 | Service Bus Queue and Topic clients over TCP (in CTP) |