> For the complete documentation index, see [llms.txt](https://docs.tessell.com/tessell/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.tessell.com/tessell/database-engines/tessell-for-oracle/database-connections-using-ssl-tls.md).

# Database connections using SSL/TLS

Prerequisites and platform-specific guides for connecting to your Oracle database service over SSL/TLS on Linux, Mac, and Windows.

Tessell encrypts Oracle database connections using TLS 1.2. The CA certificate for your service is available from the service's **Overview** page. This section covers how to configure SSL/TLS connectivity on each supported platform.

***

## Prerequisites

* SSL/TLS must have been enabled when provisioning your Oracle DB service. If it was not enabled, a new service must be provisioned with SSL enabled.
* Download the CA certificate from **My Services → Overview → CA Certificate** before following a platform guide.

> **Note:** Enabling SSL/TLS for application drivers (JDBC, ODBC, Python, etc.) is beyond the scope of these guides. Refer to your driver's documentation for driver-specific SSL configuration.

***

## Platform guides

| Platform                 | Connection method                                               | Guide                                                                                                                   |
| ------------------------ | --------------------------------------------------------------- | ----------------------------------------------------------------------------------------------------------------------- |
| **Linux**                | SQL\*Plus via Oracle Instant Client + SQLcl-based `orapki`      | [Linux platform](/tessell/database-engines/tessell-for-oracle/database-connections-using-ssl-tls/linux-platform.md)     |
| **Mac (x86)**            | Same as Linux                                                   | [Mac platform](/tessell/database-engines/tessell-for-oracle/database-connections-using-ssl-tls/mac-platform.md)         |
| **Mac (Apple M\* Chip)** | SQL Developer (JDBC/JKS) or Python via Rosetta                  | [Mac platform](/tessell/database-engines/tessell-for-oracle/database-connections-using-ssl-tls/mac-platform.md)         |
| **Windows**              | SQL\*Plus via Oracle Client + Oracle Wallet Manager or `orapki` | [Windows platform](/tessell/database-engines/tessell-for-oracle/database-connections-using-ssl-tls/windows-platform.md) |


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