AAD Usage Guide

Getting to Know Anti-DDoS Service

• What Is CNAD Basic
• What Is CNAD?
• Advanced Anti-DDoS

Quick Access to CNAD Basic

• Using CNAD Basic for Free

Quick access to CNAD Advanced

• Quick Access to CNAD - Unlimited Protection Basic Edition
• Quick Access to CNAD - Unlimited Protection Advanced Edition

Quick Access to Advanced Anti-DDoS

• Connecting Domain Name-based Website Services to AAD
• Connecting Non-Domain Name Services to AAD

Common Operations

• Enabling Alarm Notifications
• Setting a Protection Policy (CNAD Basic)
• Adding a Protection Policy (CNAD Advanced)
• Enabling Alarm Notifications (CNAD Advanced)
• Configuring Protection Policies (AAD)
• Enabling Alarm Notifications (AAD)

Black Hole

• What Is the Blackhole Policy of Huawei Cloud?
• What Can I Do If an IP Address Is Blocked?
• What Is the Anti-DDoS Traffic Scrubbing Threshold?
• How Do I Set the Anti-DDoS Traffic Scrubbing Threshold?
• How Do I Adjust the Blocking Threshold?

Functions

• Is Anti-DDoS Enabled by Default?
• Does Anti-DDoS Protect a Region or a Single IP Address?
• Can CNAD Advanced Protect Non-Huawei Cloud and On-Premises IP Addresses?
• Does CNAD Advanced Protect IPv6 Addresses?
• How Many Layers of Attacks Can CNAD Advanced Defend Against?
• How Does AAD Protect Origin Server IP Addresses?
• Are Services Interrupted When They Are Being Connected to AAD?
• What Is the Maximum Number of Domain Names AAD Can Protect?

Service Faults

• What Should I Do If Access to a Client Is Denied Due to DDoS Attacks?
• Is Traffic Scrubbing Triggered Even If No Attack Occurs?
• Why Is the Access from the Internet Abnormal?
• What Should I Do When Encountering an Access Freezing, Delay, or Failure?
• Why Is Error 504 Displayed When I Access a Website After AAD Is Configured?
• How Do I Identify the Type of Attacks?
• What Should I Do If Error 500, 502, or 504 Is Reported When I Access My Website After I Enable Basic Web Protection for My Domain Name?
• How Do I Unblock the Access That Has Been Automatically Blocked Due to the Threshold-Overtopped Attack Traffic?