Last updated：2020-09-23 18:14:42
This topic describes how to configure Challenge Collapsar (CC) attack defense.
KAD-based CC attack defense
Resource record-based CC attack defense
Note: Make sure that the KAD instance is enabled.
To disable CC attack defense, click CC Turn Off.
Note: Make sure that the KAD instance is started and CC attack defense is enabled.
You can disable CC attack defense for a DNS record in the same manner.
3. Click Manage Rules.
4. Click Add. In the dialog box that appears, enter the rule group name, and click Add.
5. Select the rule group. In the lower part of the page, click Add Subrule.
6. Set rule information, including IP, UA, Referrer, and Path.
Request threshold (QPS): The maximum number of requests (queries) allowed to be processed by a web server per second (QPS). When the actual number of requests exceeds this threshold, the system detects and blocks malicious attack requests, and sends verification codes to the suspected hosts to verify whether they are attackers. If the number of requests is smaller than this threshold, CC attack defense will not be triggered.
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