final HttpServerRequest request = clientData.getRequest();
final Settings settings = manager.getSettings();
log.trace("In handshake handler");
MultiMap reqHeaders = request.headers();
final MultiMap resHeaders = request.response().headers();
String reqOrigin = reqHeaders.get("Origin");
resHeaders.add("CONTENT_TYPE", "text/plain; charset=UTF-8");
if (!this.verifyOrigin(reqOrigin)) {
manager.writeError(request, 403, "handshake bad origin");