How to set up Domain Filter on Cudy router?

If you want to block devices to access certain websites through the router, you can set up a Domain Filter to achieve it.

Step 1: Open a web browser and go to or

For details, please refer to How to log into the web interface of Cudy Router?

Step 2: Click Advanced Settings -> Domain Filter in the Security section.


Step 3: Check the settings on the Domain Filter page.


• To block the specific IP address(es)

1. Select 'Allow all except list'.

2Type in the domain name(s) you want to block. 

Example: All devices are not able to visit YouTube.


3Save & Apply the operation.


• To allow the specific device(s)

1. Select 'Allow list only'.

2Type in the domain name(s) you are allowed to access.

Example: Only allowed to visit YouTube, the other website will not be able to load.

3Save & Apply the operation.


1. If you also want to limit other websites, please click 'Add' to add new entries. One entry can only type in one website.

2When you don't want to limit the internet, choose 'Disable' from the drop-down list and save the settings, not only 'Delete' the item.