Modifying Resolution Lines for High-Defense IP Addresses of a Domain Name

Scenarios

This topic describes how to:

• Disable DNS resolution for a high-defense IP address.
• Add a resolution line for a domain name.
• Delete a resolution line for a domain name.
• Export all forwarding rules of a domain name.

Precautions

The modified resolutions lines take effect in about five minutes.

Prerequisites

At least one domain name has been added for protection.

Procedure

1. Log in to the management console.
2. Select a region in the upper part of the page, click in the upper left corner of the page, and choose Security & Compliance > Anti-DDoS Service. The Anti-DDoS Service Center page is displayed.
3. In the navigation pane on the left, choose Advanced Anti-DDoS > Domain Name Access. The Domain Name Acess page is displayed.
   Figure 1 Domain name access
   

4. In the row containing the desired domain name, click View details in the Instance and Line column.
5. Modify the resolution lines for the domain name.
   • Disable DNS resolution for a high-defense IP address of the domain name.

     On the details page of the domain name, locate the target line and set DNS Resolution to to disable DNS resolution for the high-defense IP address. After you disable DNS resolution, you can still use the A record for the high-defense IP address.

   • Add a resolution line for the domain name.
     1. On the line details page, click Add Instance Line.
     2. In the Add Instance Line dialog box, select instances and lines and click OK.
     3. Set Line Resolution Switch to to enable DNS resolution for the high-defense IP addresses.
   • Delete a resolution line for the domain name.
     1. Disable DNS resolution for the high-defense IP address. For details, see Disabling DNS Resolution.
     2. Click Delete Line.
     3. Click OK.
   • Export all rules.

     On the line details page, click Export All to export all forwarding rules of the domain name.