diff --git a/manifest.json b/manifest.json
index 3e46591..bb35489 100644
--- a/manifest.json
+++ b/manifest.json
@@ -25,8 +25,7 @@
         "install" : [
             {
                 "name": "domain",
-                "type": "domain",
-                "example": "domain.org"
+                "type": "domain"
             },
             {
                 "name": "path",
diff --git a/scripts/change_url b/scripts/change_url
index 532750e..594268b 100644
--- a/scripts/change_url
+++ b/scripts/change_url
@@ -88,8 +88,8 @@ if [ $change_path -eq 1 ] && [ "$new_path" == "/" ]; then
   ynh_replace_string --match_string="const WWW_URI = '$old_path/';" --replace_string="const WWW_URI = '$new_path';" --target_file="$final_path/config.local.php"
 elif [ $change_path -eq 1 ] && [ "$old_path" == "/" ]; then
   ynh_replace_string --match_string="const WWW_URI = '$old_path';" --replace_string="const WWW_URI = '$new_path/';" --target_file="$final_path/config.local.php"
-else [ $change_path -eq 1 ]
-   ynh_replace_string --match_string="const WWW_URI = '$old_path/';" --replace_string="const WWW_URI = '$new_path/';" --target_file="$final_path/config.local.php"
+elif [ $change_path -eq 1 ]; then
+  ynh_replace_string --match_string="const WWW_URI = '$old_path/';" --replace_string="const WWW_URI = '$new_path/';" --target_file="$final_path/config.local.php"
 fi
 
 # Change the domain for NGINX
diff --git a/scripts/install b/scripts/install
index 5f8d061..b7447b9 100644
--- a/scripts/install
+++ b/scripts/install
@@ -34,8 +34,6 @@ ynh_script_progression --message="Validating installation parameters..." --weigh
 final_path=/var/www/$app
 test ! -e "$final_path" || ynh_die "This path already contains a folder"
 
-# Check web path availability
-ynh_webpath_available $domain $path_url
 # Register (book) web path
 ynh_webpath_register --app=$app --domain=$domain --path_url=$path_url
 
@@ -64,8 +62,6 @@ ynh_app_setting_set --app=$app --key=final_path --value=$final_path
 # Download, check integrity, uncompress and patch the source from app.src
 ynh_setup_source --dest_dir="$final_path"
 
-chown -R $app:$app $final_path
-
 #=================================================
 # NGINX CONFIGURATION
 #=================================================
@@ -81,8 +77,6 @@ ynh_script_progression --message="Configuring PHP-FPM..." --weight=5
 
 # Create a dedicated PHP-FPM config
 ynh_add_fpm_config --phpversion=$YNH_PHP_VERSION --package="$extra_php_dependencies"
-#phpversion=$(ynh_app_setting_get --app=$app --key=phpversion)
-
 
 #=================================================
 #  ADD A CONFIGURATION
@@ -101,19 +95,14 @@ else
   ynh_replace_string --match_string="//const WWW_URI = '/asso/';" --replace_string="const WWW_URI = '$path_url/';" --target_file="$final_path/config.local.php"
 fi
 
-# permissions on files and directories
-chmod 400 $final_path/config.dist.php $final_path/index.php $final_path/sous-domaine.html $final_path/VERSION
-chmod 644 $final_path/config.local.php
-find $final_path/scripts -type d -exec chmod 500 {} +
-find $final_path/scripts -type f -exec chmod 400 {} +
-find $final_path/templates -type d -exec chmod 500 {} +
-find $final_path/templates -type f -exec chmod 400 {} +
-find $final_path/include -type d -exec chmod 500 {} +
-find $final_path/include -type f -exec chmod 400 {} +
-find $final_path/data -type d -exec chmod 700 {} +
-find $final_path/data -type f -exec chmod 600 {} +
-find /var/www/garradin/www -type d -exec chmod 505  {} +
-find /var/www/garradin/www -type f -exec chmod 644  {} +
+# Permissions on files and directories
+chmod -R o-rwx "$final_path"
+chown -R $app:www-data "$final_path"
+find "$final_path" -type d -exec chmod 550 {} +
+find "$final_path" -type f -exec chmod 440 {} +
+find "$final_path/data" -type d -exec chmod 770 {} +
+find "$final_path/data" -type f -exec chmod 660 {} +
+chmod 660 "$final_path/config.local.php"
 
 #=================================================
 # SETUP SSOWAT
diff --git a/scripts/restore b/scripts/restore
index f23b8ad..4ba8ebe 100644
--- a/scripts/restore
+++ b/scripts/restore
@@ -34,8 +34,6 @@ phpversion=$(ynh_app_setting_get --app=$app --key=phpversion)
 #=================================================
 ynh_script_progression --message="Validating restoration parameters..." --weight=4
 
-ynh_webpath_available $domain $path_url \
-	|| ynh_die "Path not available: ${domain}${path_url}"
 test ! -d $final_path \
 	|| ynh_die "There is already a directory: $final_path "
 
@@ -67,7 +65,13 @@ ynh_system_user_create --username=$app
 #=================================================
 
 # Restore permissions on app files
-chown -R $app:$app $final_path
+chmod -R o-rwx "$final_path"
+chown -R $app:www-data "$final_path"
+find "$final_path" -type d -exec chmod 550 {} +
+find "$final_path" -type f -exec chmod 440 {} +
+find "$final_path/data" -type d -exec chmod 770 {} +
+find "$final_path/data" -type f -exec chmod 660 {} +
+chmod 660 "$final_path/config.local.php"
 
 #=================================================
 # RESTORE THE PHP-FPM CONFIGURATION
diff --git a/scripts/upgrade b/scripts/upgrade
index d251201..8b5a911 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -193,8 +193,6 @@ then
   ynh_secure_remove $backup_bdd
 fi
 
-chown -R $app:$app $final_path
-
 #=================================================
 # ADD A CONFIGURATION
 #=================================================
@@ -209,19 +207,14 @@ else
 ynh_replace_string --match_string="//const WWW_URI = '/asso/';" --replace_string="const WWW_URI = '$path_url/';" --target_file="$final_path/config.local.php"
 fi
 
-# Set permissions on app files
-chmod 400 $final_path/config.dist.php $final_path/index.php $final_path/sous-domaine.html $final_path/VERSION
-chmod 644 $final_path/config.local.php
-find $final_path/scripts -type d -exec chmod 500 {} +
-find $final_path/scripts -type f -exec chmod 400 {} +
-find $final_path/templates -type d -exec chmod 500 {} +
-find $final_path/templates -type f -exec chmod 400 {} +
-find $final_path/include -type d -exec chmod 500 {} +
-find $final_path/include -type f -exec chmod 400 {} +
-find $final_path/data -type d -exec chmod 700 {} +
-find $final_path/data -type f -exec chmod 600 {} +
-find /var/www/garradin/www -type d -exec chmod 505  {} +
-find /var/www/garradin/www -type f -exec chmod 644  {} +
+# Permissions on files and directories
+chmod -R o-rwx "$final_path"
+chown -R $app:www-data "$final_path"
+find "$final_path" -type d -exec chmod 550 {} +
+find "$final_path" -type f -exec chmod 440 {} +
+find "$final_path/data" -type d -exec chmod 770 {} +
+find "$final_path/data" -type f -exec chmod 660 {} +
+chmod 660 "$final_path/config.local.php"
 
 #=================================================
 # RELOAD NGINX
@@ -236,6 +229,7 @@ ynh_systemd_action --service_name=nginx --action=reload
 ynh_script_progression --message="Finalise upgrade" --weight=1
 
 ynh_local_curl "/admin/index.php"
+chmod 440 "$final_path/config.local.php"
 
 #=================================================
 # END OF SCRIPT