Port 123 — ntpd

UDPTime Services

NTP (Network Time Protocol) port for time synchronization

Registry assignments, software defaults and local listeners are different things. A port number alone does not identify or secure a service.

Software Using This Port (3 software)

Community software entries: links are references, not individual verification.

NTP Network Time

NetworkTimeProtocol

Usage Suggestions

  • Before using port 123, please confirm it is not occupied by other services
  • If you encounter port conflicts, consider using other ports or stopping the occupying service

Quick Info

Port
123
Protocol
UDP
Categories
Time Services
Usage Status
3 software in use

Related Ports

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