diff --git a/check_process b/check_process
index 2f95cfc..883dc13 100644
--- a/check_process
+++ b/check_process
@@ -19,7 +19,6 @@
 		upgrade=1	from_commit=1d3e9f3dbf72a6a124c879fa549ab8107367e36a
 		backup_restore=1
 		multi_instance=1
-		port_already_use=0
 		change_url=1
 ;;; Options
 Email=anmol@datamol.org
diff --git a/conf/app.src b/conf/app.src
index a854ead..3b6999d 100644
--- a/conf/app.src
+++ b/conf/app.src
@@ -1,5 +1,5 @@
-SOURCE_URL=https://github.com/matomo-org/matomo/archive/refs/tags/4.3.0-rc1.tar.gz
-SOURCE_SUM=af0951e086a4ac0f3fdc63fbe0d809dd202e47f36c735358ab20bc7479d36b87
+SOURCE_URL=https://github.com/matomo-org/matomo/archive/refs/tags/4.3.0.tar.gz
+SOURCE_SUM=1e45495e9313c2deaf58ebb608564dfbf6bf05ed13cc823f013335b956556587
 SOURCE_SUM_PRG=sha256sum
 SOURCE_FORMAT=tar.gz
 SOURCE_IN_SUBDIR=true
diff --git a/scripts/install b/scripts/install
index 9c8d3a6..32fa320 100755
--- a/scripts/install
+++ b/scripts/install
@@ -117,7 +117,9 @@ ynh_add_config --template="../conf/cron" --destination="/etc/cron.d/$app"
 ynh_script_progression --message="Securing files and directories..."
 
 # Set permissions to app files
-chown -R $app: $final_path
+chmod 750 "$final_path"
+chmod -R o-rwx "$final_path"
+chown -R $app:www-data "$final_path"
 
 #=================================================
 # SETUP SSOWAT
diff --git a/scripts/restore b/scripts/restore
index 5b97f86..90d6af1 100755
--- a/scripts/restore
+++ b/scripts/restore
@@ -71,7 +71,9 @@ ynh_system_user_create --username=$app
 ynh_script_progression --message="Restoring user rights..."
 
 # Restore permissions on app files
-chown -R $app:$app $final_path
+chmod 750 "$final_path"
+chmod -R o-rwx "$final_path"
+chown -R $app:www-data "$final_path"
 
 #=================================================
 # RESTORE THE PHP-FPM CONFIGURATION
diff --git a/scripts/upgrade b/scripts/upgrade
index eff80eb..903edfe 100755
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -150,7 +150,9 @@ ynh_add_config --template="../conf/cron" --destination="/etc/cron.d/$app"
 ynh_script_progression --message="Securing files and directories..."
 
 # Set permissions on app files
-chown -R $app: $final_path
+chmod 750 "$final_path"
+chmod -R o-rwx "$final_path"
+chown -R $app:www-data "$final_path"
 
 #=================================================
 # RELOAD NGINX