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alibaba-ace_d1_d7fc6eaf4a22 domain/d1 · medium single

A gaming company hosts an origin server outside Alibaba Cloud and needs to hide its origin IP address while defending against both volumetric and application-layer attacks. Which Anti-DDoS option best fits this requirement?

A Anti-DDoS Basic (Free Edition), which is enabled by default on every public IP
B Anti-DDoS Origin, which integrates natively with ECS and SLB with no DNS changes
C Anti-DDoS Pro and Anti-DDoS Premium, using DNS redirection or IP pointing through globally distributed nodes
D Blackhole filtering configured on the origin IP address

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