HTTP mode POST /somewhere HTTP/1.1 Host: example.com If-Modified-Since: Sat, 29 Oct 1994 19:43:31 GMT Content-Type: application/x-www-form-urlencoded; charset=utf-8 User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/536.11 (KHTML, like Gecko) Ubuntu/12.04 Chromium/20.0.1132.47 Chrome/20.0.1132.47 Safari/536.11 This is the request body! MIME types defined: message/http.