Huawei Cloud Anti-DDoS Service (AAD) provides three subservices: Cloud Native Anti-DDoS Basic (or Anti-DDoS), Cloud Native Anti-DDoS (CNAD) Advanced, and Advanced Anti-DDoS.
Progressive Knowledge
AAD knowledge for users from beginner level to expert level
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![](https://support.huaweicloud.com/intl/en-us/aad/files/6408a53924b4fe2ce61efbe2e6090785.jpg)
Understand
Huawei Cloud provides multiple security solutions to defend against DDoS attacks. You can select an appropriate one based on your service requirements.
Service Overview
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![](https://support.huaweicloud.com/intl/en-us/aad/files/6408a53924b4fe2ce61efbe2e6090785.jpg)
Start
After purchasing an AAD, you can connect your services to the AAD to enable protection and configure appropriate protection policies based on your service scenarios.
Anti-DDoS
CNAD
Advanced Anti-DDoS
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![](https://support.huaweicloud.com/intl/en-us/aad/files/6408a53924b4fe2ce61efbe2e6090785.jpg)
Purchase
If the default domain quantity and bandwidth cannot meet your requirements, you can purchase a domain extension package and bandwidth expansion package
Service Specification
Purchase fee
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![](https://support.huaweicloud.com/intl/en-us/aad/files/6408a53924b4fe2ce61efbe2e6090785.jpg)
Be a Power User
In addition, you can view interception reports in real time and analyze protection logs to adjust protection policies in a timely manner to better protect your services.
Common Operations
Configuring a Policy
View Report
FAQs
Learn more about common issues and solutions.
Typical Cases
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What Would Happen When I Am Under a DDoS Attack Exceeding 500 Mbit/s?
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What Is the Maximum Protection Capability When I Purchase 10 Gbit/s as the Basic Protection Bandwidth and 20 Gbit/s as the Elastic Protection Bandwidth?
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Does AAD Use a Public IP Address to Switch Traffic Back to Origin Servers?
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How Does the Traffic Cleaning Threshold Take Effect in Anti-DDoS?