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0002-00000603

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Problem description

The signed request that includes virtual private cloud (VPC) access restrictions is not initiated from the specified VPC.

Causes

You initiated a signed request that includes VPC access restrictions, but the VPC from which the request is initiated does not meet the signature requirements.

Examples

  • The VPC that is allowed to access Object Storage Service (OSS) resources is specified when the signature is generated. However, when you use the signed URL to initiate a request, the client is not in the VPC whitelist.

  • An error occurs during signature calculation. As a result, the signature in the request does not match the signature that is calculated by OSS.

Solutions

  • Make sure that the signed URL is accessed within the specified VPC.

  • Make sure that the parameters specified when the signature is generated are valid. For more information, see Add signatures to URLs.

  • We recommend that you use Alibaba Cloud SDKs to initiate requests. Alibaba Cloud SDKs automatically generate signatures for the requests without the need to manually calculate a signature. For more information, see Overview.

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