To purchase Anti-DDoS Pro instances, follow these steps:
Log on to the Alibaba Cloud console.
Select Anti-DDoS Service under Security catalog.
Go to Anti-DDoS Pro > Instance List.
Click Purchase in the upper right corner of the page to go to the purchase page.
Select ISP, Basic, Burstable, Ports, Domains, Clean Bandwidth, Quantity, and Plan according to your requirements. The final price automatically gets calculated and is displayed at the bottom of the Purchase List.
The parameter description table is as follows.
Parameter Description ISP If your domain to be protected is in mainland China, select the CT, CU ISP line; If your domain to be protected is in other region, select the International ISP line.
Note: Currently, the International ISP line supports Hong Kong, Singapore, and US East regions.
IP Count Each CT or CU ISP instance contains two IPs, one primary IP and one backup IP. An International ISP instance contains only one IP. Basic Basic protection capacity of the Anti-DDoS Pro instance. Burstable Burstable protection capacity of the Anti-DDoS Pro instance. Burstable protection capacities are available when a network attack exceeds the basic capacity. An additional fee is then charged based on the daily maximum attack volume. Ports The maximum number of non-web service ports that can be protected by the Anti-DDoS Pro instance. Domains The maximum number of web service domains that can be protected by the Anti-DDoS Pro instance. Clean Bandwidth The clean business bandwidth without DDoS attacks. Quantity The number of Anti-DDoS Pro instances to be purchased. Plan The service duration of the Anti-DDoS Pro instance to be purchased.
Click Buy Now to confirm your order, and then complete the payment.
Contact Alibaba Cloud Technical Support for a customized purchase plan, such as more capacity, other clean bandwidths, or special forwarding rules.
Note: You must immediately enable the Anti-DDoS Pro instance that you have purchased to use it.