ShieldsUP!

The Internet's quickest, most popular, reliable and trusted, free Internet security checkup and information service. And now in its Port Authority Edition, it's also the most powerful and complete. Check your system here, and begin learning about using the Internet safely.

This online tool is very useful for checking your home router system. It will give you an insight into your home network system and what ports are open.

Run your test!

Read the information the page and click Proceed > on the next page, choose a service to check.