diff --git a/conf/config.json b/conf/config.json
index 9df296f..74a2396 100644
--- a/conf/config.json
+++ b/conf/config.json
@@ -144,7 +144,7 @@
   },
   "SqlSettings": {
     "DriverName": "mysql",
-    "DataSource": "__DB_USER__:__DB_PASS__@tcp(localhost:3306)/__DB_NAME__?charset=utf8mb4,utf8",
+    "DataSource": "mysql://__DB_USER__:__DB_PASS__@tcp(localhost:3306)/__DB_NAME__?charset=utf8mb4,utf8",
     "DataSourceReplicas": [],
     "DataSourceSearchReplicas": [],
     "MaxIdleConns": 20,
@@ -321,14 +321,14 @@
   "LdapSettings": {
     "Enable": false,
     "EnableSync": false,
-    "LdapServer": "",
+    "LdapServer": "ldap://127.0.0.1",
     "LdapPort": 389,
     "ConnectionSecurity": "",
-    "BaseDN": "",
-    "BindUsername": "",
+    "BaseDN": "ou=users,dc=yunohost,dc=org",
+    "BindUsername": "cn",
     "BindPassword": "",
     "UserFilter": "",
-    "GroupFilter": "",
+    "GroupFilter": "(&(|(objectclass=posixAccount))(uid={{username}})(permission=cn=mattermost.main,ou=permission,dc=yunohost,dc=org))",
     "GuestFilter": "",
     "EnableAdminFilter": false,
     "AdminFilter": "",
diff --git a/scripts/restore b/scripts/restore
index ee0de70..546890c 100644
--- a/scripts/restore
+++ b/scripts/restore
@@ -58,6 +58,14 @@ ynh_script_progression --message="Restoring the app main directory..." --weight=
 
 ynh_restore_file --origin_path="$final_path"
 
+#=================================================
+# RECREATE THE DEDICATED USER
+#=================================================
+ynh_script_progression --message="Recreating the dedicated system user..." --weight=1
+
+# Create the dedicated user (if not existing)
+ynh_system_user_create --username=$app
+
 #=================================================
 # RESTORE THE APP DATA
 #=================================================
@@ -74,14 +82,6 @@ db_pwd=$(ynh_app_setting_get --app=$app --key=mysqlpwd)
 ynh_mysql_setup_db --db_user=$db_user --db_name=$db_name --db_pwd=$db_pwd
 ynh_mysql_connect_as --user=$db_user --password=$db_pwd --database=$db_name < ./db.sql
 
-#=================================================
-# RECREATE THE DEDICATED USER
-#=================================================
-ynh_script_progression --message="Recreating the dedicated system user..." --weight=1
-
-# Create the dedicated user (if not existing)
-ynh_system_user_create --username=$app
-
 #=================================================
 # RESTORE USER RIGHTS
 #=================================================
diff --git a/scripts/upgrade b/scripts/upgrade
index 79092cc..afd924d 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -59,28 +59,28 @@ if ! [[ "$port" ]]; then
   ynh_app_setting_set --app=$app --key=port --value=$port
 fi
 
-# Language if not present
-if ! [[ "$language" ]]; then
-  language="en"
-  ynh_app_setting_set --app=$app --key=language --value=$language
-fi
+# # Language if not present
+# if ! [[ "$language" ]]; then
+#   language="en"
+#   ynh_app_setting_set --app=$app --key=language --value=$language
+# fi
 
-# Cleaning legacy permissions
-if ynh_legacy_permissions_exists; then
-  ynh_legacy_permissions_delete_all
+# # Cleaning legacy permissions
+# if ynh_legacy_permissions_exists; then
+#   ynh_legacy_permissions_delete_all
 
-  ynh_app_setting_delete --app=$app --key=is_public
-fi
+#   ynh_app_setting_delete --app=$app --key=is_public
+# fi
 
-if ! ynh_permission_exists --permission="admin"; then
-  # Create the required permissions
-  ynh_permission_create --permission="admin" --url="/admin" --allowed=$admin
-fi
+# if ! ynh_permission_exists --permission="admin"; then
+#   # Create the required permissions
+#   ynh_permission_create --permission="admin" --url="/admin" --allowed=$admin
+# fi
 
-# Create a permission if needed
-if ! ynh_permission_exists --permission="api"; then
-  ynh_permission_create --permission="api" --url "/api" --allowed="visitors" --show_tile="false" --protected="true"
-fi
+# # Create a permission if needed
+# if ! ynh_permission_exists --permission="api"; then
+#   ynh_permission_create --permission="api" --url "/api" --allowed="visitors" --show_tile="false" --protected="true"
+# fi
 
 #=================================================
 # BACKUP BEFORE UPGRADE THEN ACTIVE TRAP