}

        if (log.isDebugEnabled()) {
            log.debug("Negotiation response on " + this.name + " :" + resp);
        }

        if (!resp.getResponse().isValid(getContext(), resp.getRequest())) {
            throw new SmbException("This client is not compatible with the server.");
        }

        final boolean serverRequireSig = resp.getResponse().isSigningRequired();