throw new SmbException("IPC signing is enforced, but no signing is available");
        }

        this.service = rsvc;
        this.inDfs = response.isShareDfs();
        this.treeNum = TREE_CONN_COUNTER.incrementAndGet();

        this.connectionState.set(2); // connected

        try {
            validateNegotiation(transport, sess);
        }