| 摘要 |
One embodiment provides a system that throttles access to a web resource. During operation, a throttle server receives a request to access the web resource. The request is associated with a computing device used by a user and is redirected from a server providing the web resource. The throttle server then determines whether the computing device has previously accessed a restricted resource different from the web resource corresponding to the request based on the presence or absence of a unique mark associated with the computing device. Based on the determination, the throttle server subsequently generates a response indicating whether the computing device meets a predetermined requirement for accessing the web resource, and sends the response to the server providing the web resource, thereby facilitating access throttling to the web resource.
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