Integration Server Administrator's Guide : Controlling Access to Resources : Controlling Access to Resources by Port : Restricting the Services or Web Service Descriptors Available from a Port
Restricting the Services or Web Service Descriptors Available from a Port
 
Allow Access to Specified Services (Deny All Others)
Deny Access to Specified Services (Allow All Others)
You can limit the services or provider web service descriptors that clients can invoke through a port by setting the access mode for the port. Integration Server provides two types of port access:
*Deny By Default. This is the default type for newly created ports. Use this type to deny access to all services and provider web service descriptors except those you specify in a list that is associated with the port.
You might use a Deny By Default port to restrict access so only the set of services that a single application uses are accessible through the port. Set the port to Deny By Default and specify the services for the application in the list associated with the port. Then, clients using the application can only access the specific services for the application. All ports, except 5555, are initially set to Deny By Default with a limited list of services available.
*Allow By Default. Select this type if you intend to allow access to all services and provider web service descriptors except those you explicitly deny in a list that is associated with the port.
When Integration Server receives a service request through a port, Integration Server verifies that the service request is allowed through that port. If the service or web service descriptor can be invoked through the port, Integration Server continues with service or web service descriptor execution. If access is denied, Integration Server returns an access denied message or status to the client.
Integration Server verifies port access for the top-level service only. Integration Server does not verify port access for any child service invoked by the top-level service. For example, suppose that serviceA invokes serviceB. Additionally, suppose that port 5678 is configured to deny by default. serviceA is on the allow list for the port, but serviceB is not. When Integration Server receives a request for serviceA on port 5678, Integration Server verifies that serviceA can be invoked through the port. Integration Server does not verify that serviceB can be invoked through the port.
Similarly, Integration Server verifies port access for the provider web service descriptor only. Integration Server does not verify port access for any operations or handler services in the web service descriptor.
Note:  
By default, the Integration Server provides an HTTP port at 5555 that allows all service requests that come in on that port access (unless prohibited by an ACL). Although this port is ideal for initial Integration Server installation and configuration, as well as many development environments, for deployment, you should replace this port with ports that limit access to services you intend to make available to your partners and users.
Note:  
Another way to control access to services through a port is to restrict access to clients that present particular client certificates. See Customizing Authentication Using JAAS for more information.
Note:  
In Software AG Command Central, the access mode functionality in which you restrict the services and web service descriptors accessible through port is referred to as URL Access.
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