Use Limits

Last updated: 2021-09-02 11:45:30

    Suggestions on Protected Objects

    You are recommended to use Anti-DDoS Advanced to protect business IPs or domain names of website (layer-7) and non-website (layer-4) businesses in and outside Tencent Cloud.


    Currently, website (layer-7) businesses do not support access from regions outside Mainland China, which is supported only for non-website (layer-4) business.

    Limit on Forwarding Capabilities

    One Anti-DDoS Advanced instance supports 60 forwarding rules by default and can support up to 500 rules. Each rule supports 20 real server IPs/domain names under a non-website (layer-4) protocol or 16 ones under a website (layer-7) protocol.

    Limit on Blocklist/Allowlist

    • For DDoS protection, up to 100 IP addresses can be added to the IP blocklist and allowlist in total.
    • HTTP/HTTPS IP blocklist/allowlist and URL allowlist currently cannot be configured for CC protection.

    Limit on Available Regions

    Currently, Anti-DDoS Advanced is available both in and outside Mainland China. Specifically, it is supported in the following regions outside Mainland China: Hong Kong (China), Taiwan (China), Singapore, Seoul, Tokyo, Virginia, Silicon Valley, and Frankfurt.