1. Netstat For Mac Os X 10 12

May 04, 2018  netstat is a command-line tool (used from a command prompt) that displays incoming and outgoing network connections, ports on which the computer is listening, routing tables, and a number of network interface statistics.It can be used to obtain Local/Foreign Addresses, PID, listening state and for troubleshooting networking issues. How to Use the Netstat Command. Netstat routing tables This was tested on Mac OS X 10.5.7. I suspect the result is nearly the same on all platforms, as it was indicated to work on Solaris. netstat -r will give you a routing table. Netstat -nr is the same, but will give you raw IPs instead of looking up machine.

Who is listening on a given TCP port on Mac OS X? (10)

Netstat For Mac Os X 10 12

On Linux, I can use netstat -pntl grep $PORT or fuser -n tcp $PORT to find out which process (PID) is listening on the specified TCP port. How do I get the same information on Mac OS X?

Update January 2016

Really surprised no-one has suggested:

to get the basic information required. For instance, checking on port 1337:

Other variations, depending on circumstances:

You can easily build on this to extract the PID itself. For example:

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which is also equivalent (in result) to this command:

Quick illustration:

For completeness, because frequently used together:

To kill the PID:

or as a one liner: