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Common REST Headers
This section lists the common HTTP headers that CloudFront uses in REST requests.
Request Headers
| Header Name | Description | Required |
|---|---|---|
|
|
The information required for request authentication. For more information, go to Authenticating REST Requests in the Amazon CloudFront Developer Guide. |
Yes |
|
|
Length of the message (without the headers) according to RFC 2616. Condition: Required if the request body itself contains information (most toolkits add this header automatically). |
Conditional |
|
|
The content type of the resource. Example:
Condition: Required for POST and PUT requests. |
Conditional |
|
|
The date used to create the signature contained in the
Condition: Required unless you provide the |
Conditional |
|
|
The host being requested. The value must be Condition: Required for HTTP 1.1 (most toolkits add this header automatically) |
Conditional |
|
|
The date used to create the signature contained in the Condition: Required if you do not provide the |
Conditional |
Request ID Response Header
Each response contains a request ID that you can use if you need to troubleshoot a request with AWS.
The ID is contained in an HTTP header called x-amz-request-id. An example of a request ID is
647cd254-e0d1-44a9-af61-1d6d86ea6b77.
