Cudy
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- Ad Shield allows AdGuard DNS to provide network-level filtering of ads, trackers, and other unwanted content. Running at the router level, it protects all connected devices and improves privacy across browsing, streaming, and app usage.
- This feature is available for Cudy routers with firmware version 2.5.0+.
- TR3000 is shown as an example in this tutorial.
Use the Cudy app
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Connect your phone to the router’s Wi-Fi network.
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Download the Cudy app on your phone.
- Open the Cudy App on your phone. Tick I agree with the Privacy Policy and the Terms of Sale and select Local Management.

- Select Wi-Fi Device.

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If you have managed other types of devices on the Cudy App before, you may need to tap the menu icon (☰) on the left of Dashboard to switch to Wi-Fi Device.
- Tap the router.

- Enter the router's administrator password. Create one if this is your login for the first time.

- Tap Ad Shield.

- Toggle on to enable Ad Shield.

- Select a "AdGuard DNS".

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AdGuard DNS requires Cudy App V1.5.5+
- Tick I agree to the AdGuard DNS privacy policy, and click Confirm.

- Enter your AdGuard DNS account username and password, and click Continue.

- Set a Device Name, keep DNS Server as Default, and tap the ✔ icon at the top right.

- Now AdGuard DNS is working to help block ads or other unwanted contents. For more settings, click Go to Dashboard.

Using the Web Interface
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Log in your router's web interface at cudy.net or 192.168.10.1.
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Go to Advanced Settings → Security → Ad Shield.

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Enable Ad Shield and select AdGuard DNS as the service provider.
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Tick I agree to the AdGuard DNS Privacy policy and click Save & Apply.

- Log in your Adguard DNS account with the username and password, and click Continue.

- Set Device Name, select Default in DNS Server, and click Save & Apply.

- Check the Active status on System Status → Ad Shield and click Go to Dashboard to set up AdGuard DNS.

