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I published an api to AWS with Visual Studio and using the template for AWS Serverless application project, for now I am testing the methods with postman, but all get methods that require a body are returning an error that mentions cloudfront in the response, I do not know if the issue is related to cloudfront or if it is the AWS HTTP 1.1 specification implementation that does not allow get requests with body:
Note:Get requests with body were a requirement from our client
RFC 7231 HTTP/1.1 specification says the following: A payload within a GET request message has no defined semantics; sending a payload body on a GET request might cause some existing implementations to reject the request.
<HEAD>
<META HTTP-EQUIV="Content-Type" CONTENT="text/html; charset=iso-8859-1">
<TITLE>ERROR: The request could not be satisfied</TITLE>
</HEAD>
<BODY>
<H1>403 ERROR</H1>
<H2>The request could not be satisfied.</H2>
<HR noshade size="1px">
Bad request.
<BR clear="all">
<HR noshade size="1px">
<PRE>
Generated by cloudfront (CloudFront)
Request ID:
</PRE>
<ADDRESS></ADDRESS>
</BODY>
</HTML>
so my questions are:
I saw almost the same question here:AWS GET request with body rejected by CloudFront
and they point to this document: https://docs.aws.amazon.com/apigateway/latest/developerguide/getting-started-lambda-non-proxy-integration.html that says if you send a get request with body it returns a 400 error, but the error I am getting is 403 error
so could you clarify a little bit more? or could you point to an amazon document that mentions the restrictions on get requests?
Many Thanks
218
GET request with Body is not allowed on CloudFront, You will get 403 if you send body, though RFC does not specifically say that you should reject GET with body but CloudFront doesn't allow that. The best option to pass body in GET request is by query string(Maximum length of a request, including headers and query strings 20,480 bytes).
https://docs.aws.amazon.com/AmazonCloudFront/latest/DeveloperGuide/RequestAndResponseBehaviorCustomOrigin.html
GET Requests That Include a Body If a viewer GET request includes a body, CloudFront returns an HTTP status code 403 (Forbidden) to the viewer.
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