diff --git a/roles/client_iptables/defaults/main.yml b/roles/client_iptables/defaults/main.yml
index 2b5b972..c46847c 100644
--- a/roles/client_iptables/defaults/main.yml
+++ b/roles/client_iptables/defaults/main.yml
@@ -5,5 +5,8 @@
 tcp_authorized_ports:
   - 22
 
+# All authorized UDP ports
+udp_authorized_ports: []
+
 # All incoming authorized IP (all ports and all protocols)
 ip_authorized: []