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[Attributes and Console Screen Reference for Domains]

A domain is an inter-related set of WebLogic Server resources that are managed as a unit. A domain includes one or more WebLogic Servers, and may include one or more WebLogic Server clusters.

A domain is a self-contained administrative unit. If an application is deployed in a domain, components of that application cannot be deployed on servers that are not a part of that domain. When a cluster is configured in a domain, all of its servers must be a part of that domain as well.

For each domain, you can configure a subset of Weblogic Server resources that apply to all servers and clusters that reside in the domain. These attributes are configured in the Domain node of the Administration Console.



Enabling the Domain-Wide Administration Port

WebLogic Server provides the option to enable an SSL administration port for use with all servers in the domain. The administration port is optional, but it provides two capabilities:

The administration port accepts only secure, SSL traffic, and all connections via the port require authentication by a server administrator. Because of these features, enabling the administration port imposes the following restrictions on your domain:

To enable the administration port for your domain:

  1. First ensure that all servers in the domain are properly configured to use SSL. See Configuring Two-Way SSL for more information.
  2. Select the name of the active domain in the left pane to display the domain's configuration attributes.
  3. Click the Configuration tab in the right pane.
  4. Click the General tab in the right pane.
  5. Select the Enable Domain Wide Administration Port attribute to enable the SSL administration port for this domain.
  6. In the Administration Port box, enter the SSL port number that server instances in the domain use as the administration port. You can override an individual server instance's administration port assignment on the Advanced Options portion of the Configuration->General tab for the server instance.
  7. Click Apply to apply your changes.
  8. Restart all server instances in the domain, including the Administration Server and all Managed Servers. The Administration Port will not function until all server instances in the domain are restarted.
  9. To start Managed Servers after enabling the administration port, you must establish an SSL connection to the domain's Administration Server. You can do this by specifying the following option at the command line when started the Managed Server:

    In this argument, host refers to the address of the Administration Server and admin_port is the administration port that the Administration Server uses. Note that you must specify the https:// prefix, rather than http://.


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