ProcNetMonitor is simple GUI based application which does not
require any installation. On launching the application, you will see the
screen as shown above. It will automatically scan and list all running
processes. You can select any process from the drop down list to view
its network activities. For each process, all open ports including TCP
and UDP as well as open network connections will be displayed. For each
connection, "Active connections" list displays following information
- Local Host Name
- Local Port
- Remote Host Name
- Remote Port
- Current state of the connection
Any time you can click on "Reload List" button to refresh the process
list.