Table 8-1 lists the default XDM actions, the alternatives, and references for more information. Table 8-1 Summary of XDM Defaults and Alternatives Default Alternative References After booting, the terminal broadcasts an XDM query to the network. Use direct queries to one or more hosts or use indirect queries. System Administrator's Guide The terminal displays a login banner for the user to log into the boot host if you use ncdinstall. If you do not use ncdinstall, a Login Chooser is displayed, offering the hosts that responded to the XDM query. Disable the login chooser. System Administrator's Guide Disable indirect or broadcast queries. System Administrator's Guide Configure the terminal to send direct or indirect queries. System Administrator's Guide Configure the Xaccess file to customize the host's response to indirect queries. "Configuring the XDM Xaccess File" Instead of using XDM, users log in through the NCD Terminal Emulator. System Administrator's Guide The user is not restricted to the hosts listed in the Login Chooser. The user is not permitted to log into a host that is not listed in the Login Chooser. System Administrator's Guide Clients that run before the user logs in (such as the login box) have default characteristics. Customize client X resources using the Xresources file. "Configuring the XDM Xresources File" The default system-wide Xsession file sets up the default X session and looks for an individual startup script (.xsession file) in the user's home directory. Set up individual startup scripts for customizing user sessions. System Administrator's Guide Customize the system-wide Xsession file. System Administrator's Guide "Configuring the System-Wide XDM Session Management File" XDM sets the terminal's DISPLAY variable. None. When the XDM session ends, a dialog box is displayed giving the user choices about how to proceed. Configure the terminal's behavior when the session ends and the user is logged out. System Administrator's Guide "Configuring Terminals for XDM" XDM parameters that control timeouts and keepalives have their default values. Customize timeouts and keepalives. System Administrator's Guide "Configuring Terminals for XDM" Access control is not enforced. Users can run clients from unauthorized hosts on the terminal. Configure access control on hosts and on the terminal. System Administrator's Guide "XDM Access Control"