Dear All,
Can anyone explain what is the difference port number and protocol number in layman's term.
Thank you.
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Hi,
Is is cool defination of port number and protocol number.
Port number - which services do you want to use.
Protocol number - How do you want to communicate.
Thanks & Regards,
Umesh
Protocol numbers are generally referring to IP protocol numbers at L3 or Network layer:
https://en.wikipedia.org/wiki/List_of_IP_protocol_numbers
Port numbers on the other hand are referring to TCP/UDP port numbers at L4 or Transport layer:
https://en.wikipedia.org/wiki/List_of_TCP_and_UDP_port_numbers
Toshi
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