\l {http://tools.ietf.org/html/rfc6455#page-39} {extensions} and
\l {http://tools.ietf.org/html/rfc6455#page-12} {subprotocols}.
+ \note When working with self-signed certificates, FireFox currently has a
+ \l {https://bugzilla.mozilla.org/show_bug.cgi?id=594502} {bug} that prevents it to
+ connect to a secure websocket server. To work around this problem, first browse to the
+ secure websocket server using https. FireFox will indicate that the certificate is invalid.
+ From here on, the certificate can be added to the exceptions. After this, the secure websockets
+ connection should work.
+
QWebSocketServer only supports version 13 of the WebSocket protocol, as outlined in RFC 6455.
\sa echoserver.html