To connect to Salesforce through a proxy server on Windows:
1. Open ODBC Data Source Administrator.
2. Navigate to either User DSN or System DSN tab.
3. Create a new DSN or edit an existing DSN.
3. In the Devart ODBC Driver for Salesforce Configuration dialog that opens, enter proxy settings:
4. Optional: Select Save Password to remember the password.
5. Optional: Select Test Connection to verify the connection settings.
6. Click OK to save the changes.
The following is an example of a Salesforce ODBC connection string configured to use a proxy server
DRIVER={Devart ODBC Driver for Salesforce};Description=Devart ODBC Driver for Salesforce;Server=login.salesforce.com;User ID=your_user_id;Password=your_password;Proxy Server=your_proxy_server;Proxy Port=8080;Proxy User=your_proxy_username;Proxy Password=your_proxy_password;Security Token=your_salesforce_security_token