You can modify the server.xml file to perform the following configurations:
Customizing Certificate Errors. For information about how to configure it, see Customizing Certificate Errors.
Configuring X.509 Authentication to Provide Access Manager Error Message. For information about how to configure it, see Configuring X.509 Authentication to Provide Access Manager Error Message.
Securing the Embedded Service Provider Session Cookie on Access Gateway. For information about how to configure it, see Securing the Embedded Service Provider Session Cookie on Access Gateway.
Configuring the SSL Communication. For information about how to configure it, see Configuring the SSL Communication.
For information about how to configure it, see Configuring a Specific IP Address for Proxied Requests
in the NetIQ Access Manager 4.4 Best Practices Guide.