Ports are what connects your computer to the outside world. This can either be in a network or the Internet. Open ports are required for many things like connecting to websites, downloading files, chatting or uploading photos to Flickr or Facebook. Most ports are only open when they are needed by an application. Problems can [...]
Netstat Tutorial
Netstat is a free little tool that comes with a windows operating system and that is also available for linux and unix. Netstat shows all open ports on your machine.
