return (flags2 & SmbConstants.FLAGS2_SECURITY_SIGNATURES) != 0 && digest == null && auth != NtlmPasswordAuthentication.NULL
                && !NtlmPasswordAuthentication.NULL.equals(auth);
    }

    void ssn139() throws IOException {
        final Name calledName = new Name(address.firstCalledName(), 0x20, null);
        do {
            /* These Socket constructors attempt to connect before SO_TIMEOUT can be applied