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Sets which HTTP version is used.

Component Version macOS Windows Server FileMaker Cloud FileMaker iOS SDK
CURL 2.5 Yes Yes Yes Yes Yes
MBS( "CURL.SetOptionHTTPVersion"; curl; Value )   More


Parameter Description Example value
curl The CURL session handle. $curl
Value Sets the HTTP Version. 2


Returns "OK" on success.


Sets which HTTP version is used.
This is not sensible to do unless you have a good reason.

CURL_HTTP_VERSION_NONE0We don't care about what version the library uses. libcurl will use whatever it thinks fit.
CURL_HTTP_VERSION_1_01Enforce HTTP 1.0 requests.
CURL_HTTP_VERSION_1_12Enforce HTTP 1.1 requests.
CURL_HTTP_VERSION_2_03please use HTTP 2 in the request
CURL_HTTP_VERSION_2TLS4use version 2 for HTTPS, version 1.1 for HTTP
CURL_HTTP_VERSION_2_PRIOR_KNOWLEDGE5please use HTTP 2 without HTTP/1.1 Upgrade

See also HTTP_VERSION option in CURL manual.

See also

Created 18th August 2014, last changed 29th April 2017

CURL.SetOptionHTTPTransferDecoding   -   CURL.SetOptionHappyEyeballsTimeOutMS

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