# Setting advanced connection properties

In the **Advanced** tab, you can set additional parameters.

File attribute and ODBC parameters

| Option | Description |
| --- | --- |
| [](https://help.qlik.com/en-US/replicate/Content/Replicate/Main/Snowflake%20Target/advanced_prop_SNOW.htm)ODBC driver | The name of the default ODBC driver you are using to connect to Snowflake. The default value is **SnowflakeDSIIDriver**. |
| Additional ODBC connection properties | Type any additional ODBC connection properties if required. |

Proxy server parameters

| Option | Description |
| --- | --- |
| Use proxy server | Select this option to access Amazon S3 via a proxy server. |
| Host name | The host name of the proxy server. |
| Port | The port via which to access the proxy server. |
| User name | The user name for accessing the proxy server. |
| Password | The password for accessing the proxy server. |
| Scheme | Select which protocol to use to access the server (HTTP or HTTPS). In order to use HTTPS, you must first install the CA certificate that signed the proxy’s certificate on the Replicate Server machine. Do this as follows:<br><br><ul> <li><span>On Windows:</span> Add the CA certificate to the Trusted Root Certification Authorities store of Local Computer</li> <li><span>On Linux:</span> Add the CA certificate to /etc/pki/tls/certs/ca-bundle.crt</li> </ul><br><br>The HTTPS proxy scheme is supported for AWS S3 staging only.<br><br>It is not supported for Snowflake staging or Snowflake Access (ODBC).<br><br>See also: [Setting general connection parameters](https://help.qlik.com/en-US/replicate/May2025/Content/Replicate/Main/Snowflake%20Target/set_up_SNOW_as_target.htm). |

## Internal parameters

Internal parameters are parameters that are not exposed in the UI. You should only use them if instructed by Qlik Support.

To add internal Qlik Replicate parameters:

1. Click the Internal Parameters link.

   The Internal Parameters dialog box opens.

2. In the edit box, type the name of the parameter you need to add and then click it.

3. The parameter is added to the table below the search box with its default value.

4. Change the default value as required.

5. To reset the parameter value to its default, click the "Restore default value" icon at the end of the row.

## More options

These options are not exposed in the UI as they are only relevant to specific versions or environments. Consequently, do not set these options unless explicitly instructed to do so by Qlik Support or product documentation.

To set an option, simply copy the option into the Add feature name field and click Add. Then set the value or enable the option according to the instructions you received.

## Settings summary

You can view a summary of your settings by clicking the Setting Summary link. This is useful if you need to send a summary of your settings to Qlik Support.