throw new SmbException("Server does not supported extended security");
                }

                log.debug("Performing legacy session setup");
                if ( ! ( this.credentials instanceof NtlmPasswordAuthenticator ) ) {
                    throw new SmbAuthException("Incompatible credentials");
                }

                // We do only really care if we open for writing and not shared for writing
                // otherwise there are no guarantees anyway, but this stuff is legacy anyways.
                SmbComSeek seekReq = new SmbComSeek(config, 0);
                seekReq.setMode(0x2); // from EOF
                SmbComSeekResponse seekResp = new SmbComSeekResponse(config);