Know Your Protocols — Protocols, Ports, and Their Magical Usage (in the Context of Cybersecurity) | by Reza Asif | InterviewNoodle | Jul 2022

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In the real world, it is basically like having a street name (IP) and a house number (port) to find the location of a house.

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Telnet, FTP, SMTP, HTTP, DNS, IMAP, POP3, PTP, SSH,

UDP, TCP

Ethernet, Token Ring, PPP, FDDI/ATM IEEE 802.3/802.11

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