Security Now with Steve Gibson and Leo Laporte

Jul 20th 2006

Security Now 49


Examine your system's Internet connections and open ports with netstat...

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Category: Help & How To

How can you tell what your computer is doing on the net? Netstat. This handy program comes with almost all operating systems. On Windows, click Start, then select Command Prompt from the Programs->Accessories menu. To run Netstat, type netstat at the command prompt. For more readable output type netstat -ab.

Full documentation for the Windows version is online at On OS X or Linux, type man netstat at the command prompt.

Download TCPView free from SysInternals.

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