# Configure SSL in a Unified System

Use the following procedure to configure SSL in a setup where you configure the DAH in the unified IDOL Server configuration file.

To configure an SSL connection in a unified system

1. Open the IDOL Server configuration file in a text editor.

2. Find the `[Server]` section, the `[IDOLServerN]` or `[DAHEngineN]` section, or a combination of the `[Server]` section and one of the others.

3. Add the `SSLConfig` setting to specify the section in which you have set the SSL details for the connection, usually `SSLOptionN`. For example:

       [Server]
       (other server settings...)
       SSLConfig=SSLOption0

       [IDOLServer0]
       SSLConfig=SSLOption0

       [IDOLServer1]
       SSLConfig=SSLOption1

   In this example, incoming ACI calls and outgoing calls to `IDOLServer0` share the same SSL configuration, and outgoing calls to `IDOLServer1` use a different configuration.

4. Create an `[SSLOptionN]` section for each unique `SSLConfig` setting. Each `SSLOption` entry must contain the `SSLMethod`, `SSLCertificate`, and `SSLPrivateKey` parameters. For example:

       [SSLOption0]
       SSLMethod=TLSV1.3
       SSLCertificate=host1.crt
       SSLPrivateKey=host1.key

       [SSLOption1]
       SSLMethod=TLSV1.3
       SSLCertificate=host2.crt
       SSLPrivateKey=host2.key

5. Save and close the configuration file. Restart the IDOL Server for your changes to take effect.

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