Hi everyone,
I am in a confusion of some network concept that speaks of port number.
my question is on which layer of the model OSI and TCP / IP is the port number?
cf. https://twitter.com/LearningatCisco/status/972562741910278144
Identifying the...
thank you very much. but if not, have you seen the image with the # tag Ciscocert? how do you explain the presence of logical port at the session layer not transport?