Supported Common Response Headers
The following table identifies the response headers that are common to most Amazon
S3 responses.
Table 9 Supported Response Headers
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Content-Length
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The Content-Length header field identifies the response body
length in bytes.
Type: String
Default: None
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Content-Type
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The Content-Type header field identifies the MIME type of the
content. For example, Content-Type: text/html;
charset=utf-8
Type: String
Default: None
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Date
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The Date header field identifies the data and time of the S3
response. For example, Wed, 01 Mar 2018 12:00:00 GMT.
Type: String
Default: None
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ETag
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The ETag header field identifies a specific version of a
resource (a hash of the object). The ETag reflects changes only
to the contents of an object, not its metadata. The ETag is an
MD5 digest of the object data.
Type: String
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Server
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The Server header field identifies the name of the server that
created the response.
Type: String
Valid Value: Apache
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x-amz-delete-marker
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The x-amz-delete-marker identifies whether
the object returned was a delete marker
(true) or not
(false).
Type: Boolean
Valid Values: true | false
Default: false
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x-amz-request-id
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The x-amz-request-id is a value that is
created by Amazon S3 to uniquely identify a request for
troubleshooting purposes.
Type: String
Default: None
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x-amz-version-id
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When versioning is enabled, the
x-amz-version-id identifies the version
of the object. When versioning is suspended, the version ID is
always null.
Type: String
Valid Values: null | string
Default: null
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x-amz-tagging-count
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When the count is greater than zero, the
x-amz-tagging-count returns the count of
the tags associated with the object.
Type: String
Default: None
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