Power Users

I understand that with computer systems (non virtual or virtual), data between the network of two or more computer systems can come in via a port and can come out via a port.

Is it common to filter computer ports to work unidirectionally instead bidirectionally? I mean, is it common to set firewall rules for ports to transfer data in only one direction (only inwards with incoming data or only outwards with outgoing data)?

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Comments on Data transfer between computer system ports, as unidirectional or bidirectional

Data transfer between computer system ports, as unidirectional or bidirectional

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