Usage Overview

After you enable a CNAD instance and bind Huawei Cloud public IP addresses to it, you can use the CNAD anti-DDoS capabilities to protect your cloud services.

Table 1 shows the usage overview of CNAD.

**Table 1** CNAD usage overview
Step	Description
Purchasing a CNAD instance	For details, see Purchasing a CNAD Instance.
Configuring protection policies	CNAD provides a wide range of protection rules. You can configure protection policies based on your service requirements. For details, see Adding a Protection Policy.
Adding a protected object	You can add public IP addresses on Huawei Cloud as protected objects to enable CNAD for them. For details, see Adding a Protected Object.
Enabling alarm notifications	After the alarm notification is enabled, you will receive alarm notifications if your IP address is under a DDoS attack. For details, see Setting Alarm Notifications.
Viewing statistics report	You can view the access and attack statistics of last three days. For details, see Viewing Statistics Reports.
Managing instances	Perform common instance management operations, such as enabling renewal, upgrading specifications, and configuring labels. For details, see Managing Instances.
Setting event alarm notifications	Cloud Eye enables event monitoring for protected EIPs and generates alarms for scrubbing, blocking, and unblocking events. For details, see Setting Event Alarm Notifications.