// CAP_LARGE_WRITE
        if ( th.hasCapability(SmbConstants.CAP_LARGE_WRITEX) && !th.areSignaturesActive() ) {
            this.writeSizeFile = Math.min(th.getConfig().getSendBufferSize() - 70, 0xFFFF - 70);
        }
        else {
            log.debug("No support or SMB signing is enabled, not enabling large writes");
            this.writeSizeFile = this.writeSize;
        }

    static final int CAP_NT_FIND = 0x0200;
    static final int CAP_DFS = 0x1000;
    static final int CAP_LARGE_READX = 0x4000;
    static final int CAP_LARGE_WRITEX = 0x8000;
    static final int CAP_EXTENDED_SECURITY = 0x80000000;

    // file attribute encoding
    /**
     * File is marked read-only
     */
    static final int ATTR_READONLY = 0x01;
    /**
     * File is marked hidden
     */

        if ( th.hasCapability(SmbConstants.CAP_LARGE_READX) ) {
            this.largeReadX = true;
            this.readSizeFile = Math.min(th.getConfig().getReceiveBufferSize() - 70, th.areSignaturesActive() ? 0xFFFF - 70 : 0xFFFFFF - 70);
            log.debug("Enabling LARGE_READX with " + this.readSizeFile);
        }
        else {
            log.debug("LARGE_READX disabled");
            this.readSizeFile = this.readSize;

    /**
     * 
     */
    public static final int SMB2_GLOBAL_CAP_LEASING = 0x2;

    /**
     * 
     */
    public static final int SMB2_GLOBAL_CAP_LARGE_MTU = 0x4;

    /**
     * 
     */
    public static final int SMB2_GLOBAL_CAP_MULTI_CHANNEL = 0x8;

    /**
     * 
     */
    public static final int SMB2_GLOBAL_CAP_PERSISTENT_HANDLES = 0x10;

                    | ( this.useExtendedSecurity ? SmbConstants.CAP_EXTENDED_SECURITY : 0 )
                    | ( this.useLargeReadWrite ? SmbConstants.CAP_LARGE_READX : 0 ) | ( this.useLargeReadWrite ? SmbConstants.CAP_LARGE_WRITEX : 0 )
                    | ( this.useUnicode ? SmbConstants.CAP_UNICODE : 0 );
        }

        if ( this.broadcastAddress == null ) {
            try {

    static final int CAP_RAW_MODE         = 0x0001;
    static final int CAP_MPX_MODE         = 0x0002;
    static final int CAP_UNICODE          = 0x0004;
    static final int CAP_LARGE_FILES      = 0x0008;
    static final int CAP_NT_SMBS          = 0x0010;
    static final int CAP_RPC_REMOTE_APIS  = 0x0020;
    static final int CAP_STATUS32         = 0x0040;
    static final int CAP_LEVEL_II_OPLOCKS = 0x0080;

            if ( th.hasCapability(SmbConstants.CAP_LARGE_READX) ) {
                this.largeReadX = true;
                this.readSize = Math.min(th.getConfig().getReceiveBufferSize() - 70, th.areSignaturesActive() ? 0xFFFF - 70 : 0xFFFFFF - 70);
            }

            // there seems to be a bug with some servers that causes corruption if using signatures + CAP_LARGE_WRITE

        super( out );
    }

    public synchronized void write( byte[] b, int off, int len ) throws IOException {
        if( len > 0xFFFF ) {
            throw new IOException( "write too large: " + len );
        } else if( off < 4 ) {
            throw new IOException( "NetBIOS socket output buffer requires 4 bytes available before off" );
        }

        off -= 4;

                    Smb2SessionSetupResponse sessResponse = request.getResponse();
                    if ( e.getNtStatus() == NtStatus.NT_STATUS_INVALID_PARAMETER ) {
                        // a relatively large range of samba versions has a bug causing
                        // an invalid parameter error when a SPNEGO MIC is in place and auth fails
                        throw new SmbAuthException("Login failed", e);

    };

    static final String[] NT_STATUS_MESSAGES = {
        "The operation completed successfully.", "Request is pending", "A notify change request is being completed.",
        "The data was too large to fit into the specified buffer.", "A device attached to the system is not functioning.", "Incorrect function.",