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Well-known port

<networking> A TCP or UDP {port} with a number in the range 0-1023 (originally 0-255).

The well-known port numbers are assigned by the IANA and on most systems can only be used by system (or root) processes or by programs executed by privileged users.

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weenie Weenix weighted search well-behaved well-connected	port registered port well-known port	well-ordered set Wesley Clark Western Digital Corporation Westmount wetware