How to list all of listening ports in Windows command prompt?

netstat -anb | findstr /R /C:"[LISTENING]"

How to solve problem "No connection could be made because the target machine actively refused it"

#1 reason is: target machine TCP not listening.
Can run following command line to check:
netstat -anb

What is difference between 0.0.0.0 and 127.0.0.1?

127.0.0.1 is localhost. Only same machine can access this address.
But 0.0.0.0 means all of ip addresses binding to this machine.

Reference:
http://blog.lauramamina.com/article?title=0.0.0.0%20vs%20127.0.0.1