GET /index.html HTTP/1.0
Connection: keep-alive

HEAD /index.html HTTP/1.0
Connection: keep-alive

HEAD /index HTTP/1.0
Connection: keep-alive

HEAD /nothere/5.1-switch-5.3 HTTP/1.0
Connection: keep-alive

HEAD /index.html HTTP/1.0
Connection: keep-alive

GET /index HTTP/1.1
Host:

HEAD /index HTTP/1.0

