Connecting to a Remote EJB Module Through a Firewall

To deploy and run an application client that connects to an EJB module on an Application Server instance that is behind a firewall, you must set ORB Virtual Address Agent Implementation (ORBVAA) options. Use the asadmin create-jvm-options command as follows:

asadmin create-jvm-options --user adminuser -Dcom.sun.corba.ee.ORBVAAHost=public-IP-address 
asadmin create-jvm-options --user adminuser -Dcom.sun.corba.ee.ORBVAAPort=3700
asadmin create-jvm-options --user adminuser
-Dcom.sun.corba.ee.ORBUserConfigurators.com.sun.corba.ee.impl.plugin.hwlb.VirtualAddressAgentImpl=x

Set the ORBVAAHost and ORBVAAPort options to the host and port of the public address. The ORBUserConfigurators option tells the ORB to create an instance of the VirtualAddressAgentImpl class and invoke the configure method on the resulting object, which must implement the com.sun.corba.ee.spi.orb.ORBConfigurator interface. The ORBUserConfigurators value doesn't matter. Together, these options create an ORB that in turn creates Object references (the underlying implementation of remote EJB references) containing the public address, while the ORB listens on the private address specified for the IIOP port in the Application Server configuration.