How do you find the local open ports on Windows?

To find the local open ports on Windows run the following command in the command prompt.

All the listening ports are open ports.

netstat -an |find /i "listening"

To remotely verify a port is open or closed use the following sites.This will help you to find a server is running or a firewall or ISP is blocking certain ports.

http://www.canyouseeme.org/

also

http://www.yougetsignal.com/tools/open-ports/