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Skip custom Connection: headers when doing HTTP/2 #401

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bagder opened this issue Aug 27, 2015 · 0 comments

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commented Aug 27, 2015

An application may opt to use custom Connection: headers with libcurl, but if the server supports HTTP/2 those headers are not allowed.

RFC 7540 section 8.1.2.2 states: "An endpoint MUST NOT generate an HTTP/2 message containing connection-specific header fields; any message containing connection-specific header fields MUST be treated as malformed"

So, to let applications keep working with HTTP/1.1 or HTTP/2, libcurl must filter out the Connection: headers for h2.

@bagder bagder added the HTTP/2 label Aug 27, 2015

@bagder bagder closed this in 1869164 Sep 3, 2015

jgsogo added a commit to jgsogo/curl that referenced this issue Oct 19, 2015

@bagder @jgsogo
http2: don't pass on Connection: headers 
RFC 7540 section 8.1.2.2 states: "An endpoint MUST NOT generate an
HTTP/2 message containing connection-specific header fields; any message
containing connection-specific header fields MUST be treated as
malformed"

Closes curl#401
3baf321

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