Help Center/ Anti-DDoS Service/ User Guide/ CNAD Advanced (CNAD) Operation Guide/ Adding a Protection Policy/ Filtering Attacks Based on One-Click Rate Limiting Rules
Updated on 2025-08-20 GMT+08:00
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Filtering Attacks Based on One-Click Rate Limiting Rules

CNAD offers preset rate-limiting rules against common UDP reflection attacks, along with a range of other preset filtering rules. Users can enable preset rate-limiting rules with a single click.

Enabling Attack Filtering

  1. Log in to the AAD console.
  2. In the navigation pane on the left, choose Cloud Native Anti-DDoS Advanced > Protection Policies. The Protection Policies page is displayed.
  3. Click Create Protection Policy.
  4. In the displayed dialog box, set the policy name, select an instance, and click OK.

    Figure 1 Creating a policy

  5. In the row containing the target policy, click Set Protection Policy in the Operation column.
  6. In the Attack Filtering configuration area, click Set.

    Figure 2 Configuring attack filtering

  7. Select a protection rule based on site requirements.

    Figure 3 Attack filtering settings

  8. Click OK.
Parent Topic: Adding a Protection Policy