diff --git a/config.example.php b/config.example.php
index abe5177c4..3c9ce31c5 100755
--- a/config.example.php
+++ b/config.example.php
@@ -43,6 +43,13 @@ $debug = false;
 // Permette di eseguire il cron anche se OSM è installato su localhost
 $forza_cron_localhost = false;
 
+// Permette di disabilitare i cron e gli hooks
+$disable_cron = false;
+$disable_hooks = false;
+
+// Permette di accedere solo con un ip (da utilizzare per manutenzione)
+$maintenance_ip = '';
+
 // Personalizzazione dei gestori dei tag personalizzati
 $HTMLWrapper = null;
 $HTMLHandlers = [];
diff --git a/core.php b/core.php
index 062311c1e..a410e50e7 100755
--- a/core.php
+++ b/core.php
@@ -169,7 +169,7 @@ $revision = Update::getRevision();
 
 /* ACCESSO E INSTALLAZIONE */
 // Controllo sulla presenza dei permessi di accesso basilari
-$continue = $dbo->isInstalled() && !Update::isUpdateAvailable() && (Auth::check() || API\Response::isAPIRequest());
+$continue = $dbo->isInstalled() && !Update::isUpdateAvailable() && (Auth::check() || API\Response::isAPIRequest()) && (empty($config['maintenance_ip']) || $config['maintenance_ip'] == $_SERVER['REMOTE_ADDR']);
 
 if (!empty($skip_permissions)) {
     Permissions::skip();
diff --git a/include/bottom.php b/include/bottom.php
index d3265c6a3..d72a083a8 100755
--- a/include/bottom.php
+++ b/include/bottom.php
@@ -65,22 +65,29 @@ if (Auth::check()) {
 		<style>'.$custom_css.'</style>';
     }
 
-    // Hooks
-    echo '
+        // Hooks
+        echo '
         <script>
-        $(document).ready(function() {
-            // Toast
-            alertPush();
+            $(document).ready(function() {
+                // Toast
+                alertPush();
 
-            // Orologio
-            clock();
+                // Orologio
+                clock();';
 
-            // Hooks
-            setTimeout("startHooks();", 1000);
+                // Hooks
+                if (!$config['disable_hooks']) {
+                    echo '
+                    setTimeout("startHooks();", 1000);';
+                }
 
-            // Abilitazione del cron autonoma
-            $.get(globals.rootdir + "/cron.php");
-        });
+                // Abilitazione del cron autonoma
+                if (!$config['disable_cron']) {
+                    echo '
+                    $.get(globals.rootdir + "/cron.php");';
+                }
+            echo '
+            });
         </script>';
 }
 
diff --git a/include/init/maintenance.php b/include/init/maintenance.php
new file mode 100644
index 000000000..63ce05a31
--- /dev/null
+++ b/include/init/maintenance.php
@@ -0,0 +1,47 @@
+<?php
+/*
+ * OpenSTAManager: il software gestionale open source per l'assistenza tecnica e la fatturazione
+ * Copyright (C) DevCode s.r.l.
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ */
+
+include_once __DIR__.'/../../core.php';
+
+if ($config['maintenance_ip'] != $_SERVER['REMOTE_ADDR']) {
+    include_once App::filepath('include|custom|', 'top.php');
+    $img = App::getPaths()['img'];
+    
+    echo '
+    <div class="box box-center-large box-danger">
+        <div class="box-header with-border text-center">
+            <img src="'.$img.'/logo_completo.png" width="300" alt="'.tr('OSM Logo').'">
+        </div>
+
+        <div class="box-body">
+            <div class="box box-center box-danger box-solid text-center">
+                <div class="box-header with-border">
+                    <h3 class="box-title">'.tr('Manutenzione in corso!').'</h3>
+                </div>
+                <div class="box-body">
+                    <p>'.tr('Il software si trova attualmente in modalità manutenzione, siete pregati di attendere sino alla conclusione dell\'intervento').'.</p>
+                </div>
+            </div>
+        </div>
+    </div>';
+
+    include_once App::filepath('include|custom|', 'bottom.php');
+
+    exit();
+}
diff --git a/index.php b/index.php
index 5ed86fb39..d86e4def4 100755
--- a/index.php
+++ b/index.php
@@ -76,6 +76,11 @@ if (Auth::check() && isset($dbo) && $dbo->isConnected() && $dbo->isInstalled())
     exit();
 }
 
+// Modalità manutenzione
+if (!empty($config['maintenance_ip'])) {
+    include_once base_dir().'/include/init/maintenance.php';
+}
+
 // Procedura di installazione
 include_once base_dir().'/include/init/configuration.php';