I am new to Linux and Ubuntu. I googled and read some articles stating that all ports are closed until they are opened manually by the user. Is it correct?
And what do you mean by "listening on a port" and "a port is established" in simple terms?
I am new to Linux and Ubuntu. I googled and read some articles stating that all ports are closed until they are opened manually by the user. Is it correct?
And what do you mean by "listening on a port" and "a port is established" in simple terms?
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