diff --git a/php/inc_fx_static_sync.php b/php/inc_fx_static_sync.php
index 4ef06e4..98320bd 100644
--- a/php/inc_fx_static_sync.php
+++ b/php/inc_fx_static_sync.php
@@ -42,23 +42,55 @@ function fxStaticSyncConnect($arrConfig) {
         return null;
     }
 
-    $con = @mysqli_connect(
+    $mysqli = mysqli_init();
+    if (!$mysqli) {
+        return null;
+    }
+
+    mysqli_options($mysqli, MYSQLI_OPT_CONNECT_TIMEOUT, 3);
+
+    if (!@mysqli_real_connect(
+        $mysqli,
         $arrConfig['host'],
         $arrConfig['user'],
         $arrConfig['pass'],
         $arrConfig['db'],
         3306
-    );
-
-    if (!$con) {
+    )) {
         return null;
     }
 
-    mysqli_close($con);
+    mysqli_set_charset($mysqli, 'utf8');
+    mysqli_close($mysqli);
 
     return new clsMysql($arrConfig);
 }
 
+/**
+ * Réutilise les connexions déjà ouvertes par inc_fonctions.php (même pattern que mise en prod).
+ */
+function fxStaticSyncOpenConnections() {
+    global $objDatabasePreProd, $objDatabaseProd;
+
+    $tabConnections = array(
+        'dev_preprod' => !empty($objDatabasePreProd) ? $objDatabasePreProd : null,
+        'dev_prod' => !empty($objDatabaseProd) ? $objDatabaseProd : null,
+    );
+
+    $tabEnvs = fxStaticSyncEnvironmentDefinitions();
+
+    foreach ($tabEnvs as $strEnvId => $tabEnv) {
+        if (!empty($tabConnections[$strEnvId])) {
+            continue;
+        }
+        if (!empty($tabEnv['config'])) {
+            $tabConnections[$strEnvId] = fxStaticSyncConnect($tabEnv['config']);
+        }
+    }
+
+    return $tabConnections;
+}
+
 function fxStaticSyncTableExists($objDb, $strTable) {
     if (!$objDb) {
         return false;
@@ -356,17 +388,6 @@ function fxStaticSyncBuildReport($tabConnections) {
     return $tabReport;
 }
 
-function fxStaticSyncOpenConnections() {
-    $tabEnvs = fxStaticSyncEnvironmentDefinitions();
-    $tabConnections = array();
-
-    foreach ($tabEnvs as $strEnvId => $tabEnv) {
-        $tabConnections[$strEnvId] = fxStaticSyncConnect($tabEnv['config']);
-    }
-
-    return $tabConnections;
-}
-
 function fxStaticSyncGetDiffDetail($strTable, $strEnvId, $tabConnections) {
     $tabDef = fxStaticSyncFindTableDef($strTable);
     $tabEnv = fxStaticSyncFindEnvDef($strEnvId);
diff --git a/php/inc_fx_static_sync_config.php b/php/inc_fx_static_sync_config.php
index 18c79ab..b174132 100644
--- a/php/inc_fx_static_sync_config.php
+++ b/php/inc_fx_static_sync_config.php
@@ -7,23 +7,13 @@
  * avec host distant pour accès depuis le serveur dev. Mettre à jour ici si prod change.
  */
 
+/**
+ * BD client — désactivé sur le serveur dev.
+ * La mise en prod utilise déjà localhost via inc_settings ($arrConDatabasePreProd / Prod).
+ * Ne pas ouvrir de connexions vers une IP distante depuis dev (sature PHP-FPM / MySQL).
+ */
 function fxStaticSyncClientDatabaseConfigs() {
-    return array(
-        'client_preprod' => array(
-            'label' => 'Client préprod',
-            'host'  => '158.69.235.152',
-            'user'  => 'ms1incription_bd',
-            'pass'  => '3+~=,y=eV)M;',
-            'db'    => 'ms1incription_preprod',
-        ),
-        'client_prod' => array(
-            'label' => 'Client prod',
-            'host'  => '158.69.235.152',
-            'user'  => 'ms1incription_bd',
-            'pass'  => '3+~=,y=eV)M;',
-            'db'    => 'ms1incription_prod',
-        ),
-    );
+    return array();
 }
 
 /**
diff --git a/php/sync_static_db.php b/php/sync_static_db.php
index 4b39093..cddce47 100644
--- a/php/sync_static_db.php
+++ b/php/sync_static_db.php
@@ -16,6 +16,8 @@ if (!fxAdminStaticSyncAllowed()) {
     exit;
 }
 
+set_time_limit(300);
+
 function ssEsc($str) {
     return htmlspecialchars((string)$str, ENT_QUOTES, 'UTF-8');
 }