Network Time§
For description and details, click the port number.
| Port Number | Protocol | Direction | Application | Quantity |
|---|---|---|---|---|
| 123 | UDP | Inbound | unknown | 1 |
| 1023 | UDP | Outbound | unknown | 1 |
Ports Definition§
123§
UDP port (non-changeable) that must be opened on the time source computers. Used to receive NTP requests from other computers.
1023§
UDP port (non-changeable) that must be opened on computers that are connected to network time source. Used to send NTP requests and receive NTP responses.