You may need to perform data analysis while using Alibaba Cloud Object Storage Service (OSS). The following table lists the features provided by OSS:
Intermediary analysis
If your need to perform intermediary analysis, such as:
Confirm whether the request is forwarded through a proxy server.
Identify requests originating from specific proxy IPs.
You can configure the user_defined_log_fields field to monitor the x-forwarded-for header to determine whether requests are forwarded through proxy servers and perform intermediary analysis. For more information, see Analyze intermediaries based on custom log fields.