final int reqLen = negotiateWrite(smb2neg, first != null);
            final boolean doPreauth = getContext().getConfig().getMaximumVersion().atLeast(DialectVersion.SMB311);
            if (doPreauth) {
                negoReqBuffer = new byte[reqLen];
                System.arraycopy(this.sbuf, 4, negoReqBuffer, 0, reqLen);
            }

            negotiatePeek();

        boolean anonymous = this.credentials.isAnonymous();
        long sessId = 0;

        boolean preauthIntegrity = negoResp.getSelectedDialect().atLeast(DialectVersion.SMB311);
        this.preauthIntegrityHash = preauthIntegrity ? trans.getPreauthIntegrityHash() : null;

        if (this.preauthIntegrityHash != null && log.isDebugEnabled()) {

            Properties props = new Properties();
            props.setProperty("jcifs.smb.client.minVersion", "SMB202");
            props.setProperty("jcifs.smb.client.maxVersion", "SMB311");
            props.setProperty("jcifs.smb.client.responseTimeout", "30000");
            props.setProperty("jcifs.smb.client.soTimeout", "35000");

            // Create a new configuration and context