How to set up IP Filter on Cudy router

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What it is?

IP filter allows you to control what IP traffic would be allowed inside and out of your network.

How to configure it?

Step 1: Open a web browser and go to or Use 'admin' as a password to log in.

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


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



Step 3: Check settings on IP Filter page.


• To block the specific IP address(es)

1. Select 'Allow all except list'.

2. Type in the IP Address(es) you want to block and choose the correct Subnet mask.

Example: All devices are not able to access the Cudy official website.


3. Save & Apply the operation.


• To allow the specific device(s)

1. Select 'Allow list only'.

2. Type in the IP Address(es) you are allowed to access.

Example: Only allowed to access the Cudy website, the other website will not be able to load.


3. Save & Apply the operation.

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

2022-11-11 17:58
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