The -a parameter lists all the computer’s connections and listening ports, while the -n parameter displays addresses and port numbers in numerical format. First, just open a command prompt window and type: Let me explain how to Netstat command in Windows. So if you need to know what connections a machine has to the internet and what services may be open and running, Netstat can quickly tell you. The fact you don’t have to install and run a separate diagnostic tool can be a life saver when dealing with a client’s PC or a quarantined machine.Įvery open port on your computer is an entry point that can be exploited to gain covert access. I’ve never been a big fan of command line tools, but occasionally some, such as Netstat, do come into their own.Īnother reason I find Netstat such a useful tool is that it can be found on almost any computer by default, from Unix and Linux machines through to Windows and Macs. I have to admit, I much prefer graphical user interfaces when it comes to working on a computer.
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