find programs using port code example
Example 1: find out process using port windows
netstat -ano | findstr 8080
Example 2: check which application is using port
In Windows CMD/Powershell:
netstat -aon | findstr '[port_number]'
Example 3: cli check what is listening on port
lsof -i tcp:53 #Check what is listening on port 53
lsof -t -i tcp:53 #Return the process PID listening on port 53