Well known ports
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Well known UDP ports
This is a list of UDP port numbers used by protocols of the transport layer of the Internet protocol suite for the establishment of host-to-host connectivity. Port numbers are assigned in various ways, based on three ranges: System Ports (0-1023), User Ports (1024-49151), and the Dynamic and/or Private Ports (49152-65535).
The full list of well known port numbers is available at this URL