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Can someone demystify computer Ports for me? Please? Blocking, unblocking, opening, allowing, VPNs and their effect, what ports are and what they do, step by step, when you have to interact with them? (lemmy.dbzer0.com)

submitted 7 months ago by [email protected] to c/[email protected]

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It's the one thing when I'm configuring things that makes me wince because I know it will give me the business, and I know it shouldn't, but it does, every time. I have no real idea what I'm doing, what it is, how it works, so of course I'm blindly following instructions like a monkey at a typewriter.

Please guide me into enlightenment.

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[–] [email protected] 1 points 7 months ago

If an IP address is like a building address for a mall, ports are like suite numbers of the different businesses inside the mall.

There are a few types of ports, but mostly you deal with tcp and udp. Tcp ports create a connection, udp is connectionless.