#### To edit an IIOP listener

1. In the tree component, expand the Configurations node.
2. Select the instance to configure:
   - To configure a particular instance, select the instance’s config node. For example, for the default instance, `server`, select the `server-config` node.
   - To configure the default settings for future instances that use a copy of `default-config`, select the `default-config` node.
3. Expand the ORB node.
4. Select the IIOP Listeners node.
5. Select the listener to be modified in the Current Listeners table.
6. Modify the listener’s settings.

   See To create an IIOP listener for descriptions of the fields that are modifiable.

7. Click the SSL tabbed pane to modify the SSL settings of this IIOP listener.
   1. Select the Client Authentication Enable check box if the client needs to authenticate itself to the server.
   2. Enter the Certificate Nickname, which identifies the server's keypair and certificate
   3. You can choose to enable SSL3 and TLS.
   4. Select the desired cipher suites.
   5. Click Save.
8. If you changed the port number of the listener, restart the server.

###### See Also

- To create an IIOP listener

- To delete an IIOP listener