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Server: Apache/2.4.41 (Ubuntu)
System: Linux ip-172-31-42-149 5.15.0-1084-aws #91~20.04.1-Ubuntu SMP Fri May 2 07:00:04 UTC 2025 aarch64
User: ubuntu (1000)
PHP: 7.4.33
Disabled: pcntl_alarm,pcntl_fork,pcntl_waitpid,pcntl_wait,pcntl_wifexited,pcntl_wifstopped,pcntl_wifsignaled,pcntl_wifcontinued,pcntl_wexitstatus,pcntl_wtermsig,pcntl_wstopsig,pcntl_signal,pcntl_signal_get_handler,pcntl_signal_dispatch,pcntl_get_last_error,pcntl_strerror,pcntl_sigprocmask,pcntl_sigwaitinfo,pcntl_sigtimedwait,pcntl_exec,pcntl_getpriority,pcntl_setpriority,pcntl_async_signals,pcntl_unshare,
$ pwd: /etc/dbus-1/system.d/
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File: //etc/dbus-1/system.d/gdm.conf
<!DOCTYPE busconfig PUBLIC
 "-//freedesktop//DTD D-BUS Bus Configuration 1.0//EN"
 "http://www.freedesktop.org/standards/dbus/1.0/busconfig.dtd">
<busconfig>

  <!-- Only root can own the service -->
  <policy user="root">
    <allow own="org.gnome.DisplayManager"/>

    <allow send_destination="org.gnome.DisplayManager"
           send_interface="org.gnome.DisplayManager.Manager"/>
    <allow send_destination="org.gnome.DisplayManager"
           send_interface="org.gnome.DisplayManager.Display"/>
    <allow send_destination="org.gnome.DisplayManager"
           send_interface="org.gnome.DisplayManager.LocalDisplayFactory"/>
    <allow send_destination="org.gnome.DisplayManager"
           send_interface="org.gnome.DisplayManager.Settings"/>
    <allow send_destination="org.gnome.DisplayManager"
           send_interface="org.freedesktop.DBus.Properties" />
    <allow send_destination="org.gnome.DisplayManager"
           send_interface="org.freedesktop.DBus.Introspectable"/>

  </policy>

  <policy context="default">
    <deny send_destination="org.gnome.DisplayManager"
          send_interface="org.gnome.DisplayManager.Display"/>
    <deny send_destination="org.gnome.DisplayManager"
          send_interface="org.gnome.DisplayManager.LocalDisplayFactory"/>
    <deny send_destination="org.gnome.DisplayManager"
          send_interface="org.gnome.DisplayManager.Settings"/>
    <deny send_destination="org.gnome.DisplayManager"
          send_interface="org.gnome.DisplayManager.Session"/>
    <allow send_destination="org.gnome.DisplayManager"
           send_interface="org.freedesktop.DBus.Introspectable"/>
    <allow send_destination="org.gnome.DisplayManager"
           send_interface="org.freedesktop.DBus.ObjectManager"/>
    <allow send_destination="org.gnome.DisplayManager"
	   send_interface="org.freedesktop.DBus.Properties"/>
    <allow send_destination="org.gnome.DisplayManager"
           send_interface="org.gnome.DisplayManager.Manager"/>
    <allow send_destination="org.gnome.DisplayManager"
           send_interface="org.gnome.DisplayManager.Display"
           send_member="GetId"/>
    <allow send_destination="org.gnome.DisplayManager"
           send_interface="org.gnome.DisplayManager.Display"
           send_member="GetRemoteHostname"/>
    <allow send_destination="org.gnome.DisplayManager"
           send_interface="org.gnome.DisplayManager.Display"
           send_member="GetSeatId"/>
    <allow send_destination="org.gnome.DisplayManager"
           send_interface="org.gnome.DisplayManager.Display"
           send_member="GetX11DisplayName"/>
    <allow send_destination="org.gnome.DisplayManager"
           send_interface="org.gnome.DisplayManager.Display"
           send_member="GetX11DisplayNumber"/>
    <allow send_destination="org.gnome.DisplayManager"
           send_interface="org.gnome.DisplayManager.Display"
           send_member="IsLocal"/>

    <allow send_destination="org.gnome.DisplayManager"
           send_interface="org.gnome.DisplayManager.LocalDisplayFactory"
           send_member="CreateTransientDisplay"/>
  </policy>

  <policy user="gdm">
    <allow send_destination="org.gnome.DisplayManager"
           send_interface="org.gnome.DisplayManager.Manager"/>
    <allow send_destination="org.gnome.DisplayManager"
           send_interface="org.gnome.DisplayManager.Display"/>
    <allow send_destination="org.gnome.DisplayManager"
           send_interface="org.gnome.DisplayManager.LocalDisplayFactory"/>
    <allow send_destination="org.gnome.DisplayManager"
           send_interface="org.gnome.DisplayManager.Settings"/>
    <allow send_destination="org.gnome.DisplayManager"
           send_interface="org.freedesktop.DBus.Properties" />
    <allow send_destination="org.gnome.DisplayManager"
           send_interface="org.freedesktop.DBus.Introspectable"/>
  </policy>

</busconfig>
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