One Identity recommends that you disable remote login for GDM by disabling the X display manager control protocol (XDMCP). XDMCP is disabled by default; however, you can manually disable XDMCP.
To edit the GDM Configuration file manually
This file is typically located at /etc/X11/gdm/gdm.conf, however "local" settings may take precedence. You can find the local settings in /etc/X11/gdm/factory-gdm.conf file.
[XDMCP] Enable=false.
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Note: Whether modifying the GDM configuration manually or by using the graphical user interface, you must restart GDM. |
GDM includes a graphical application that you can use to configure GDM. The following steps document how to disable remote log in with this application:
To disable remote login
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Note: Whether modifying the GDM configuration manually or by using /usr/bin/gdmsetup, you must restart GDM. |
To perform smart card login by means of Gnome Display Manager (GDM)
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Note: GDM permits a null entry. An unspecified username allows the pam_vas_smartcard module to obtain the username from the smart card itself. |
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