How to check which ports are open

Sometimes the user who wants to maximize control of your system, it is essential to clarify what the port's connections are open at the moment with his PC. This operation takes no more than a few seconds.

How to check which ports are open
How to connect to open ports
How to determine the connection port
How to know whether the com port

Instruction

First of all, you can use the netstat command from the standard set of Windows XP. To log in to the Windows command prompt and there type "netstat 5" (without the quotes). After the execution of the command, you will see updates every 5 seconds (you can specify any other time) a report containing information about open connections, programs, and use their ports.

Some may be easier to use the program TCPView or other software of similar purpose. In addition, the same information you may report any firewall running on your computer.

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