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Anti-DDoS:Purchase an Anti-DDoS Origin instance

Last Updated:Mar 31, 2026

Anti-DDoS Origin directly protects your Alibaba Cloud assets that have public IP addresses against DDoS attacks, and allows you to add multiple IP addresses and ports for protection without changing your existing network topology.

Note

Purchasing an instance does not automatically protect your assets. After purchase, go to the Instance Management page to add the assets you want to protect as protected objects.

Choose an edition

Anti-DDoS Origin 2.0 is available in two billing models:

SubscriptionPay-as-you-go
BillingMonthly or yearly flat feeBilled monthly; minimum 30 days
Supported assetsRegular Alibaba Cloud servicesRegular Alibaba Cloud services; elastic IP addresses (EIPs) with Anti-DDoS (Enhanced) enabled
Mitigation sessionsInclusive Edition: 2 per month; Enterprise: unlimitedUnlimited
Best forPredictable protection needs with a fixed number of assetsFlexible or trial usage

For a detailed comparison of features and pricing, see Anti-DDoS Origin 2.0 (Subscription). For pay-as-you-go details, see Anti-DDoS Origin 2.0 (Pay-as-you-go).

Purchase a subscription instance

  1. Go to the Anti-DDoS Origin 2.0 buy page.

  2. Configure the following parameters.

    ParameterDescriptionExample
    EditionSelect based on your asset count, distribution, and attack frequency. Choose Inclusive Edition for Small and Medium Enterprises if you have 30 or fewer assets in a single region with no more than 2 DDoS attacks per month. Choose Enterprise if you have more than 30 assets, the assets reside in multiple regions, and both IPv4 and IPv6 addresses are used.Enterprise
    Protection ModeDetermined by your edition. Inclusive Edition provides 2 best-effort mitigation sessions per month. Enterprise provides unlimited sessions. For details, see Definition of mitigation sessions.Unlimited (Unlimited Sessions/Month)
    Application ScopeInclusive Edition covers assets in one region only. Enterprise covers all assets in your Alibaba Cloud account across the Chinese mainland and outside.All regions
    Network ProtocolInclusive Edition protects either IPv4 or IPv6 assets. Enterprise protects both.IPv4 and IPv6
    Clean BandwidthThe average bandwidth of the service you want to protect. For sizing guidance, see Business scale estimation.100 Mbit/s
    IP AddressesThe total number of public IP addresses to protect.10
    Mitigation LogsAvailable for Enterprise only. Enable to get full log analysis and traffic reports.Enabled
    Resource GroupThe resource group for this instance. Select an existing group or create one. For details, see Create a resource group.Default Resource Group
    Subscription DurationThe validity period of the instance. Select Auto-renewal to renew automatically.1 Month
  3. Click Buy Now, read and accept the Terms of Service, and then click Pay.

Purchase a pay-as-you-go instance

Important

Anti-DDoS Origin 2.0 (Pay-as-you-go) is billed monthly with a minimum commitment of 30 days. Instances cannot be disabled within the first 30 days. Anti-DDoS Origin charges apply separately from the charges for any other Alibaba Cloud services.

Protect regular Alibaba Cloud services

  1. Go to the Anti-DDoS Origin 2.0 (Pay-as-you-go) buy page and purchase an instance for your account.

  2. Purchase your Alibaba Cloud services as usual. Refer to the documentation for each service.

    • For elastic IP addresses (EIPs): set the Security Protection parameter to Default.

    • For other Alibaba Cloud services: no additional configuration is needed.

Protect EIPs with Anti-DDoS (Enhanced) enabled

Only EIPs with Anti-DDoS (Enhanced) enabled are supported under this path.

  1. Go to the Anti-DDoS Origin 2.0 (Pay-as-you-go) buy page and purchase an instance for your account.

  2. When applying for an EIP, set the Security Protection parameter to Anti-DDoS (Enhanced). For details, see Apply for an EIP. 按量付费

What's next

After purchasing an instance, go to the Instance Management page to view the instance and add the assets you want to protect to the instance as protected objects. See Add an object for protection.