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The following is a set-up guide for CIRA Canadian Shield for the home router/gateway option. See all the set-up guides for Canadian Shield.

Before you proceed...

  1. If you set-up CIRA Canadian Shield on your router/gateway then the whole network is protected and you will not need to set-up individual devices. 
  2. It's free! But please still take the time to review and understand the terms and conditions and privacy policy.
  3. Before changing your DNS settings write down your existing IP addresses in case you need to go back. Go to the bottom of this page to see if you have configured it correctly.

Once you are done, you can go here to test your configuration.

A summary of DNS resolver addresses can be found here.


For Windows operating systems, configure DNS settings in the TCP/IP Properties window for the appropriate network connection.

1. From the Start menu, click on the Control Panel.

2. Click Network and Internet >Network and Sharing Center > Change adapter settings.

3. Click Change adapter settings.

4. Right click on the network for which you would like to configure Canadian Shield.

5. Select Properties.

6. Do one of the following:

a. Select Internet Protocol Version 4.
b. Select Internet Protocol Version 6.

Windows Operating System ethernet properties screen capture

7. Click Properties.

8. Click Use the following DNS server address.

Set the preferred and alternate DNS server addresses

Note: If you have not already noted down the existing DNS server IP addresses, make note of them.

9. Replace the existing DNS addresses with one of the following (depending on the level of service you want to use):

a. For Private, add the following:

i. For IPv4, enter: and

ii. For IPv6, enter: 2620:10A:80BB::10 and 2620:10A:80BC::10

b. For Protected, add the following:

i. For IPv4, enter: and 

ii. For IPv6, enter: 2620:10A:80BB::20 and 2620:10A:80BC::20 

c. For Family, add the following:

i. For IPv4, enter: and  

ii. For IPv6, enter: 2620:10A:80BB::30 and 2620:10A:80BC::30 

10. Click OK.

11. Click Close to save your settings.

12. Restart your browser.

You are ready to go – your device is now using CIRA Canadian Shield.