KEN can support any Web Sign On technology that results in the population of the HttpServletRequest remote user variable, exposed via the getRemoteUser accessor.

public java.lang.String getRemoteUser()

Returns the login of the user making this request, if the user has been authenticated, or null if the user has not been authenticated. Whether the user name is sent with each subsequent request depends on the browser and type of authentication.

Returns: A String specifying the login of the user making this request, or null

The generic KEN release comes configured with CAS.

Web service authentication is part of the development process and is not implemented by the standalone release of Rice. The notification web service is Axis-based.