diff --git a/pandora_console/include/api.php b/pandora_console/include/api.php
index 85bc78c6e8..e1d2fea2df 100644
--- a/pandora_console/include/api.php
+++ b/pandora_console/include/api.php
@@ -275,7 +275,7 @@ if ($correctLogin) {
                     break;
 
                     case 'event':
-                        // Preventive check for users if not available write events
+                        // Preventive check for users if not available write events.
                         if (! check_acl($config['id_user'], $event['id_grupo'], 'EW')) {
                             return false;
                         }
@@ -322,7 +322,10 @@ if ($correctLogin) {
     sleep(15);
 
     // Protection on DoS attacks.
-    echo 'auth error';
+    returnError(
+        'auth_error',
+        $returnType
+    );
 }
 
 // Logout.
diff --git a/pandora_console/include/functions_api.php b/pandora_console/include/functions_api.php
index d9d3d16ee6..6167cccc68 100644
--- a/pandora_console/include/functions_api.php
+++ b/pandora_console/include/functions_api.php
@@ -108,6 +108,7 @@ function returnError($typeError, $returnType='string')
 {
     switch ($typeError) {
         case 'no_set_no_get_no_help':
+            http_response_code(403);
             returnData(
                 $returnType,
                 [
@@ -118,6 +119,7 @@ function returnError($typeError, $returnType='string')
         break;
 
         case 'no_exist_operation':
+            http_response_code(404);
             returnData(
                 $returnType,
                 [
@@ -128,6 +130,7 @@ function returnError($typeError, $returnType='string')
         break;
 
         case 'id_not_found':
+            http_response_code(403);
             returnData(
                 $returnType,
                 [
@@ -138,6 +141,7 @@ function returnError($typeError, $returnType='string')
         break;
 
         case 'not_allowed_operation_cluster':
+            http_response_code(403);
             returnData(
                 $returnType,
                 [
@@ -148,6 +152,7 @@ function returnError($typeError, $returnType='string')
         break;
 
         case 'forbidden':
+            http_response_code(403);
             returnData(
                 $returnType,
                 [
@@ -168,6 +173,7 @@ function returnError($typeError, $returnType='string')
         break;
 
         case 'centralized':
+            http_response_code(403);
             returnData(
                 $returnType,
                 [
@@ -177,6 +183,17 @@ function returnError($typeError, $returnType='string')
             );
         break;
 
+        case 'auth_error':
+            http_response_code(403);
+            returnData(
+                $returnType,
+                [
+                    'type' => 'string',
+                    'data' => __('Auth error'),
+                ]
+            );
+        break;
+
         default:
             returnData(
                 $returnType,