diff --git a/front/devicecamera.form.php b/front/devicecamera.form.php
index fbf9bdb..2da3152 100644
--- a/front/devicecamera.form.php
+++ b/front/devicecamera.form.php
@@ -36,6 +36,7 @@
 use GlpiPlugin\Example\DeviceCamera;
 
 include ('../../../inc/includes.php');
+Session::checkLoginUser();
 
 $dropdown = new DeviceCamera();
 include (GLPI_ROOT . "/front/dropdown.common.form.php");
diff --git a/front/devicecamera.php b/front/devicecamera.php
index 2254232..be1a436 100644
--- a/front/devicecamera.php
+++ b/front/devicecamera.php
@@ -34,6 +34,7 @@
 // ----------------------------------------------------------------------
 
 include ('../../../inc/includes.php');
+Session::checkLoginUser();
 
 $dropdown = new DeviceCamera();
 include (GLPI_ROOT . "/front/dropdown.common.php");
diff --git a/front/dropdown.form.php b/front/dropdown.form.php
index e4f1ea9..cf88c33 100644
--- a/front/dropdown.form.php
+++ b/front/dropdown.form.php
@@ -36,6 +36,7 @@
 use GlpiPlugin\Example\Dropdown;
 
 include ('../../../inc/includes.php');
+Session::checkLoginUser();
 
 Plugin::load('example', true);
 
diff --git a/front/dropdown.php b/front/dropdown.php
index 6e56f24..df91884 100644
--- a/front/dropdown.php
+++ b/front/dropdown.php
@@ -36,6 +36,7 @@
 use GlpiPlugin\Example\Dropdown;
 
 include ('../../../inc/includes.php');
+Session::checkLoginUser();
 
 Plugin::load('example', true);
 
diff --git a/front/example.form.php b/front/example.form.php
index bc97177..9650560 100644
--- a/front/example.form.php
+++ b/front/example.form.php
@@ -36,6 +36,7 @@
 use GlpiPlugin\Example\Example;
 
 include ('../../../inc/includes.php');
+Session::checkLoginUser();
 
 if ($_SESSION["glpiactiveprofile"]["interface"] == "central") {
    Html::header("TITRE", $_SERVER['PHP_SELF'], "plugins", Example::class, "");
diff --git a/front/example.php b/front/example.php
index c1074cf..8178092 100644
--- a/front/example.php
+++ b/front/example.php
@@ -36,6 +36,7 @@
 use GlpiPlugin\Example\Example;
 
 include ('../../../inc/includes.php');
+Session::checkLoginUser();
 
 if ($_SESSION["glpiactiveprofile"]["interface"] == "central") {
    Html::header("TITRE", $_SERVER['PHP_SELF'], "plugins", Example::class, "");
diff --git a/front/ruletest.form.php b/front/ruletest.form.php
index 6f67fb2..5578d10 100644
--- a/front/ruletest.form.php
+++ b/front/ruletest.form.php
@@ -36,6 +36,7 @@
 use GlpiPlugin\Example\RuleTestCollection;
 
 include ('../../../inc/includes.php');
+Session::checkLoginUser();
 
 $rulecollection = new RuleTestCollection();
 
diff --git a/front/ruletest.php b/front/ruletest.php
index a79689f..8976275 100644
--- a/front/ruletest.php
+++ b/front/ruletest.php
@@ -36,6 +36,7 @@
 use GlpiPlugin\Example\RuleTestCollection;
 
 include ('../../../inc/includes.php');
+Session::checkLoginUser();
 
 $rulecollection = new RuleTestCollection();