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Port 19

Port
Protocol
Service Name
Description
Source
19
TCP UDP
chargen
Character Generator
IANA
19
TCP UDP
Character Generator Protocol (CHARGEN),Official
wikipedia
19
 
Skun
simovits.com
19
TCP UDP
chargen
Character Generator
bekkoame

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A port is an application-specific or process-specific software construct serving as a communications endpoint in a computer's host operating system.

Service names and port numbers are used to distinguish between different services that run over transport protocols such as TCP, UDP, DCCP, and SCTP.

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);