public function on_activation()
{
if (is_multisite() && is_main_site() && get_site_option('jetpack_protect_active', 0) == 0) {
update_site_option('jetpack_protect_active', 1);
}
update_site_option('jetpack_protect_activating', 'activating');
// Get BruteProtect's counter number
Jetpack_Protect_Module::protect_call('check_key');
}