HTTP http2 # Server-side HTTP/1.1 200 Ignored! Date: Thu, 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 http http2 HTTP/2 upgrade refused http://%HOSTIP:%HTTPPORT/1800 --http2 ^User-Agent:.* GET /1800 HTTP/1.1 Host: %HOSTIP:%HTTPPORT Accept: */* Connection: Upgrade, HTTP2-Settings Upgrade: %H2CVER HTTP2-Settings: AAMAAABkAAQAAP__