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Computing (FOLDOC) dictionary (also found in English - Vietnamese, English - English (Wordnet), French - Vietnamese)
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1. networking A logical channel or channel endpoint in a
communications system. The Transmission Control Protocol
on Ethernet use port numbers to distinguish between
(demultiplex) different logical channels on the same networkinterface on the same computer.
Each application program has a unique port number associated
with it, defined in /etc/services or the Network InformationService "services" database. Some protocols, e.g. telnet
and HTTP (which is actually a special form of telnet) have
default ports specified as above but can use other ports as
Some port numbers are defined in RFC 1700, divided into