etc/polkit-1/rules.d/52-systemd-local-only.rules


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// Restrict systemd unit management via polkit to active local sessions.
// Wheel-via-sudo-rs is unaffected (sudoers is a separate authorisation
// path). Stops a remote SSH session (no `subject.local`) or a background
// non-active session from start/stop/restart/reload of system units via
// the polkit gate.
polkit.addRule(function (action, subject) {
  if (action.id.indexOf("org.freedesktop.systemd1.") === 0) {
    if (!subject.local || !subject.active) {
      return polkit.Result.NO;
    }
  }
});