Catalyst WebSocket Wireshark Output

Here's what the TCP transaction between the Javascript client in the browser, and the Catalyst Controller looks like - the browser does all the talking, the Server Controller does not respond:

GET /ioasync/echo/ws HTTP/1.1
Host: localhost:5000
User-Agent: Mozilla/5.0 (X11; SunOS i86pc; rv:31.0) Gecko/20100101 Firefox/31.0
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8
Accept-Language: en-US,en;q=0.5
Accept-Encoding: gzip, deflate
Sec-WebSocket-Version: 13
Origin: http://localhost:5000
Sec-WebSocket-Key: 2UNOZ2l+e8E0SMeGb8iyzw==
Connection: keep-alive, Upgrade
Pragma: no-cache
Cache-Control: no-cache
Upgrade: websocket