How to find open and blocked TCP/UDP ports? – Knowligent
How to find open and blocked TCP/UDP ports?

How to find open and blocked TCP/UDP ports?

HomeHow to, TechHow to find open and blocked TCP/UDP ports?

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Open TCP/UDP Manual Ports in Windows 10

Chances are you've come across this article because an application you're trying to run is complaining about a blocked "port" or because you've read about how leaving certain "ports" open on your network can be a security problem.

Either way, by the end of this article you will not only know what the ports everyone is talking about are, but also how to check if your computer has open or closed ports.

The first thing you need to know is that the ports we are talking about here are virtual. It has nothing to do with the physical network hardware ports on your router, TV, consoles or computers. Ports are simply a way for your network hardware and software to organize information traffic.