> 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/mac-platform.md).

# Mac platform

This guide covers two methods for connecting to a Tessell Oracle database service over SSL/TLS on macOS: SQL Developer (JDBC/JKS) and Python.

***

## How do I connect using SQL Developer?

1. Download [SQL Developer](https://www.oracle.com/database/sqldeveloper/).
2. Download the SSL/TLS certificate from **My Services → Overview → CA Certificate**.
3. Import the certificate into a JKS keystore:

```bash
keytool -import -alias testalias -file TessellCA.crt -keypass keypass -keystore test.jks -storepass test@123
```

4. Open `~/.sqldeveloper/22.2.1/product.conf` and add the JKS path to the SQL Developer JVM options:

```
AddVMOption -Djavax.net.ssl.trustStore=/Users/<user>/Desktop/test.jks
AddVMOption -Djavax.net.ssl.trustStoreType=JKS
AddVMOption -Djavax.net.ssl.trustStorePassword=test@123
```

5. Restart SQL Developer.
6. Add a new connection and configure it for TCPS:

<div align="center"><img src="https://3421475909-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FXNKiIctERJykfezXfUU2%2Fuploads%2Fgit-blob-b34a54186122860304826ea1f9ac04e41603a810%2Fimage%20(3).png?alt=media" alt="" width="800"></div>

<p align="center"><em>Figure 1 — SQL Developer new connection dialog with TCPS settings</em></p>

7. Set the **Custom JDBC URL**:

```
jdbc:oracle:thin:@(DESCRIPTION=(ADDRESS=(PROTOCOL=TCPS)(PORT=1521)(HOST=oraclesi19c<service name>-ppmno.qabyoaupg001.tsl-barc.cloud))(CONNECT_DATA=(SERVICE_NAME=orcl))(SECURITY=(ssl_server_cert_dn="CN=oraclesi19c<service name>-ppmno.qabyoaupg001.tsl-barc.cloud")))
```

8. Verify the connection mode by running:

```sql
SELECT sys_context('USERENV', 'NETWORK_PROTOCOL') as network_protocol,
       sys_context('USERENV', 'AUTHENTICATION_METHOD') as authentication_method
FROM dual;
```

<div align="center"><img src="https://3421475909-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FXNKiIctERJykfezXfUU2%2Fuploads%2Fgit-blob-bb860e235bb7225a935c33c2132ecb2b34b12648%2Fimage%20(5).png?alt=media" alt="" width="800"></div>

<p align="center"><em>Figure 2 — Verification query confirming TCPS protocol</em></p>

***

## How do I connect using Python?

### Mac x86

The setup is identical to the [Linux platform guide](/tessell/database-engines/tessell-for-oracle/database-connections-using-ssl-tls/linux-platform.md).

### Apple M\* Chip

The latest Oracle Instant Client libraries are not available for Apple M\* (ARM). You must run under Rosetta to use x86\_64 libraries.

#### Step 1 — Install tools (Rosetta terminal)

1. Download Mac x86 Oracle Instant Client from [Oracle Instant Client Downloads (macOS Intel x86)](https://www.oracle.com/cis/database/technologies/instant-client/macos-intel-x86-downloads.html) and unzip it.
2. Download and unzip [SQLcl](https://www.oracle.com/database/sqldeveloper/technologies/sqlcl/download/).

#### Step 2 — Set up Oracle wallet

Follow the same wallet setup steps as the [Linux platform guide](/tessell/database-engines/tessell-for-oracle/database-connections-using-ssl-tls/linux-platform.md).

> SQL\*Plus steps are also the same as Linux — ensure you run the x86 `sqlplus` client from a Rosetta-enabled terminal.

#### Step 3 — Connect using Python (Rosetta terminal)

```python
import oracledb
import cryptography
import os

cs = '''<user>/<password>@(DESCRIPTION = (ADDRESS = (PROTOCOL = TCPS)(HOST = oraclessl<service name>dnd-efwyu.qarel.tsl-barc.cloud)(PORT = 1521))(CONNECT_DATA = (SERVICE_NAME = <service name>))(SECURITY = (SSL_SERVER_CERT_DN = "CN=oraclessl<service name>dnd-efwyu.qarel.tsl-barc.cloud")))'''

oracledb.init_oracle_client(lib_dir="/Users/<user>/orainscli/instantclient_19_8/")

connection = oracledb.connect(user="<user>", password="<password>", dsn=cs)

cursor = connection.cursor()
cur = cursor.execute(
    "SELECT sys_context('USERENV', 'NETWORK_PROTOCOL') as network_protocol, "
    "sys_context('USERENV', 'AUTHENTICATION_METHOD') as authentication_method FROM dual"
)
print(cur.fetchall())

connection.close()
```


---

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