netstat -ano | egrep 'Proto|LISTEN'
- -a Show the state of all sockets, including passive sockets used by server processes
- -n Show network addresses as numbers
- -o Show process Id
Show which application is using that port:
netstat -anb | grep -A 1 "8080"
- -b Display executable listening on port grep
- -A option is to display the preceding line after greps returned result