if (chainedHTTPSProxy != null && !isHTTPProxy) {
throw barfError("Routing through a HTTP/HTTPS proxy is not supported "
+ "in port forwarding mode.");
}
final TCPProxyFilter requestFilter = requestFilterChain
.resolveFilter();
final TCPProxyFilter responseFilter = responseFilterChain
.resolveFilter();
final StringBuilder startMessage = new StringBuilder();
startMessage.append("Initialising as ");