diff --git a/ansible/inventory/host_vars/london-b.yml b/ansible/inventory/host_vars/london-b.yml
index 8855e67..1b69685 100644
--- a/ansible/inventory/host_vars/london-b.yml
+++ b/ansible/inventory/host_vars/london-b.yml
@@ -16,3 +16,4 @@ common_ufw_allowed_ports:
   - {port: 32400, proto: tcp, comment: "Plex Media Server"}
   - {port: 6881, proto: tcp, comment: "BitTorrent"}
   - {port: 6881, proto: udp, comment: "BitTorrent"}
+  - {port: 445, proto: tcp, comment: "Samba"}