how to check what ports are being used code example

Example 1: how to check the ports in use in windows cmd

netstat -aon

Example 2: how to check the ports in use in windows cmd

netstat -ab

Example 3: see what ports are in use

Get-Process -Id (Get-NetTCPConnection -LocalPort portNumber).OwningProcess

Example 4: cmd listening ports

C:\> netstat -a -b

Example 5: how to check listening ports on a server

$ sudo netstat -plnt
Active Internet connections (only servers)
Proto Recv-Q Send-Q Local Address               Foreign Address             State       PID/Program name
tcp        0      0 0.0.0.0:3306                0.0.0.0:*                   LISTEN      3686/mysqld
tcp        0      0 :::443                      :::*                        LISTEN      2218/httpd
tcp        0      0 :::80                       :::*                        LISTEN      2218/httpd
tcp        0      0 :::22                       :::*                        LISTEN      1051/sshd

Example 6: how to check listening ports on a server

sudo ss -tulwn | grep LISTEN