HTTP HTTP/2 # Server-side HTTP/1.1 200 Ignored! Date: Tue, 09 Nov 2010 14:49:00 GMT Server: test-server/fake Last-Modified: Tue, 13 Jun 2000 12:10:00 GMT Content-Length: 6 Connection: close Content-Type: text/html -foo- # Client-side h2c http http/2 HTTP/2 upgrade refused http://%HOSTIP:%HTTPPORT/%TESTNUMBER --http2 GET /%TESTNUMBER HTTP/1.1 Host: %HOSTIP:%HTTPPORT User-Agent: curl/%VERSION Accept: */* Connection: Upgrade, HTTP2-Settings Upgrade: %H2CVER HTTP2-Settings: AAMAAABkAAQAAQAAAAIAAAAA