diff --git a/scripts/restore b/scripts/restore
index 9fed8d5..7713018 100755
--- a/scripts/restore
+++ b/scripts/restore
@@ -20,6 +20,13 @@ ynh_restore_file --origin_path="$data_dir" --not_mandatory
 
 chown -R $app: "$data_dir"
 
+#=================================================
+# OPEN PORT 445
+#=================================================
+ynh_script_progression --message="Configuring firewall..." --weight=1
+
+ynh_exec_warn_less yunohost firewall allow --no-upnp TCP 445 # Allow SMB access
+
 #=================================================
 # RESTORE VARIOUS FILES
 #=================================================
diff --git a/scripts/upgrade b/scripts/upgrade
index b74df1e..56e6101 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -28,6 +28,13 @@ ynh_add_config --template="avahi-samba.service" --destination="/etc/avahi/servic
 samba_sysadmin_update
 samba_sysadmin_add
 
+#=================================================
+# OPEN PORT 445
+#=================================================
+ynh_script_progression --message="Configuring firewall..." --weight=1
+
+ynh_exec_warn_less yunohost firewall allow --no-upnp TCP 445 # Allow SMB access
+
 #=================================================
 # GENERIC FINALIZATION
 #=================================================